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  1. Article ; Online: Spread of avian influenza among poultry specialists in England during winter 2022/23: National poultry housing order and environmental drivers.

    Tammes, Peter

    Dialogues in health

    2024  Volume 4, Page(s) 100165

    Abstract: Purpose: To examine the impact of the national poultry housing order the UK government introduced on 7 November 2022 on the spreading of the avian influenza virus among poultry premises.: Methods: A longitudinal design with 15 weeks of infected ... ...

    Abstract Purpose: To examine the impact of the national poultry housing order the UK government introduced on 7 November 2022 on the spreading of the avian influenza virus among poultry premises.
    Methods: A longitudinal design with 15 weeks of infected poultry specialist incidence rates per 100 poultry specialists during the 2022/23 winter for 8 English regions. A multilevel regression model was used to analyse repeated measurements. Time was level-1 unit and regions level-2 unit resulting in 120 observations. Random intercept models included interactions between housing order and weekly infected wild birds, poultry density, or weekly average temperatures divided into terciles. In models where these variables were not included as an interaction term they were introduced as confounders.
    Results: After the introduction of the housing order, it took 3 weeks for a considerable reduction in poultry specialist incidence rates. Reduction in incidence rates was strongest in regions with highest poultry density, from 1.27 (95%CI 0.99 to 1.56) to 0.30 (95%CI 0.09 to 0.52). Considerable reductions were also seen in regions with most detected infected wild birds.
    Conclusion: The housing order was successful in reducing infected poultry specialist incidence rates three weeks after its introduction. Strongest impact in regions with highest poultry density.
    Language English
    Publishing date 2024-01-04
    Publishing country United States
    Document type Journal Article
    ISSN 2772-6533
    ISSN (online) 2772-6533
    DOI 10.1016/j.dialog.2024.100165
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Spread of avian influenza among poultry specialists in England during winter 2022/23

    Peter Tammes

    Dialogues in Health, Vol 4, Iss , Pp 100165- (2024)

    National poultry housing order and environmental drivers

    2024  

    Abstract: Purpose: To examine the impact of the national poultry housing order the UK government introduced on 7 November 2022 on the spreading of the avian influenza virus among poultry premises. Methods: A longitudinal design with 15 weeks of infected poultry ... ...

    Abstract Purpose: To examine the impact of the national poultry housing order the UK government introduced on 7 November 2022 on the spreading of the avian influenza virus among poultry premises. Methods: A longitudinal design with 15 weeks of infected poultry specialist incidence rates per 100 poultry specialists during the 2022/23 winter for 8 English regions. A multilevel regression model was used to analyse repeated measurements. Time was level-1 unit and regions level-2 unit resulting in 120 observations. Random intercept models included interactions between housing order and weekly infected wild birds, poultry density, or weekly average temperatures divided into terciles. In models where these variables were not included as an interaction term they were introduced as confounders. Results: After the introduction of the housing order, it took 3 weeks for a considerable reduction in poultry specialist incidence rates. Reduction in incidence rates was strongest in regions with highest poultry density, from 1.27 (95%CI 0.99 to 1.56) to 0.30 (95%CI 0.09 to 0.52). Considerable reductions were also seen in regions with most detected infected wild birds. Conclusion: The housing order was successful in reducing infected poultry specialist incidence rates three weeks after its introduction. Strongest impact in regions with highest poultry density.
    Keywords Virus surveillance ; avian influenza ; outbreak ; epidemiology ; housing order ; England ; Public aspects of medicine ; RA1-1270
    Subject code 720
    Language English
    Publishing date 2024-06-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: An Epidemiological Perspective on the Investigation of Genocide.

    Tammes, Peter

    Frontiers in epidemiology

    2022  Volume 2, Page(s) 844895

    Language English
    Publishing date 2022-03-03
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2674-1199
    ISSN (online) 2674-1199
    DOI 10.3389/fepid.2022.844895
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Social distancing, population density, and spread of COVID-19 in England: a longitudinal study.

    Tammes, Peter

    BJGP open

    2020  Volume 4, Issue 3

    Abstract: Background: The UK government introduced social distancing measures between 16-22 March 2020, aiming to slow down transmission of COVID-19.: Aim: To explore the spreading of COVID-19 in relation to population density after the introduction of social ... ...

    Abstract Background: The UK government introduced social distancing measures between 16-22 March 2020, aiming to slow down transmission of COVID-19.
    Aim: To explore the spreading of COVID-19 in relation to population density after the introduction of social distancing measures.
    Design & setting: Longitudinal design with 5-weekly COVID-19 incidence rates per 100 000 people for 149 English Upper Tier Local Authorities (UTLAs), between 16 March and 19 April 2020.
    Method: Multivariable multilevel model to analyse weekly incidence rates per 100 000 people; time was level-1 unit and UTLA level-2 unit. Population density was divided into quartiles. The model included an interaction between week and population density. Potential confounders were percentage aged ≥65, percentage non-white British, and percentage in two highest classes of the National Statistics Socioeconomic Classification. Co-variates were male life expectancy at birth, and COVID-19 prevalence rate per 100 000 people on March 15. Confounders and co-variates were standardised around the mean.
    Results: Incidence rates per 100 000 people peaked in the week of March 30-April 5, showing higher adjusted incidence rate per 100 000 people (46.2; 95% confidence interval [CI] = 40.6 to 51.8) in most densely populated ULTAs (quartile 4) than in less densely populated ULTAs (quartile 1: 33.3, 95% CI = 27.4 to 37.2; quartile 2: 35.9, 95% CI = 31.6 to 40.1). Thereafter, incidence rate dropped in the most densely populated ULTAs resulting in rate of 22.4 (95% CI = 16.9 to 28.0) in the week of April 13-19; this was lower than in quartiles 1, 2, and 3, respectively 31.4 (95% CI = 26.5 to 36.3), 34.2 (95% CI = 29.9 to 38.5), and 43.2 (95% CI = 39.0 to 47.4).
    Conclusion: After the introduction of social distancing measures, the incidence rates per 100 000 people dropped stronger in most densely populated ULTAs.
    Keywords covid19
    Language English
    Publishing date 2020-08-25
    Publishing country England
    Document type Journal Article
    ISSN 2398-3795
    ISSN (online) 2398-3795
    DOI 10.3399/bjgpopen20X101116
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Medical sabotage by Jewish doctors in Nazi-occupied Netherlands and Holocaust survival.

    Tammes, Peter

    Medicine, conflict, and survival

    2019  Volume 35, Issue 1, Page(s) 4–11

    MeSH term(s) Ethics, Medical ; History, 20th Century ; Holocaust ; Humans ; Jews/history ; National Socialism/history ; Netherlands ; Physicians/ethics ; Physicians/history ; Physicians/statistics & numerical data ; Survival Rate ; World War II
    Language English
    Publishing date 2019-03-21
    Publishing country England
    Document type Historical Article ; Journal Article
    ZDB-ID 1314196-x
    ISSN 1362-3699
    ISSN 1362-3699
    DOI 10.1080/13623699.2019.1589688
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Associating Locality-Level Characteristics With Surviving the Holocaust: A Multilevel Approach to the Odds of Being Deported and to Risk of Death Among Jews Living in Dutch Municipalities.

    Tammes, Peter

    American journal of epidemiology

    2019  Volume 188, Issue 5, Page(s) 896–906

    Abstract: Characteristics of the localities in which Jews lived have received little attention in research on Holocaust-related deaths. We examined associations between locality-level and individual-level characteristics with the odds of being deported by applying ...

    Abstract Characteristics of the localities in which Jews lived have received little attention in research on Holocaust-related deaths. We examined associations between locality-level and individual-level characteristics with the odds of being deported by applying multilevel mixed-effects logistic regression models to data for about 118,000 Jews in 102 Dutch municipalities listed in 1941-1942 and linked to postwar victims and returnees lists. We examined associations between individual-level characteristics and risk of death of deported Jews in multilevel mixed-effects Weibull regression models. Locality-level characteristics, per standard deviation increase, associated with higher deportation chance were more collaborating policemen (OR = 1.07, 95% CI: 1.02, 1.12), strongest segregation mentality (OR = 2.01, 95% CI: 1.15, 3.50), and less employment in agriculture (OR = 0.95, 95% CI: 0.88, 1.01). Higher percentage of Catholics (OR = 0.81, 95% CI: 0.70, 0.94) and stronger electoral support for the National Socialist Movement (OR = 0.90, 95% CI: 0.85, 0.97) unexpectedly reduced deportation chance. Individual-level characteristics associated with lower deportation chance were female sex, ages 0-5 or 15-30 years, and being immigrants, intermarried, or converts to Christianity. Deported males aged 15-30 years had reduced risk of death between July 1942 and July 1943 but increased risk thereafter, consistent with young adult men being selected for work after deportation but this selection not offering long-term protection. Holocaust survival chances were influenced by both locality-level and individual-level characteristics.
    MeSH term(s) Adolescent ; Adult ; Age Factors ; Agriculture/statistics & numerical data ; Catholicism ; Child ; Child, Preschool ; Cities ; Cooperative Behavior ; Emigrants and Immigrants ; Employment/statistics & numerical data ; Female ; History, 20th Century ; Holocaust/statistics & numerical data ; Humans ; Infant ; Infant, Newborn ; Jews/statistics & numerical data ; Logistic Models ; Male ; Residence Characteristics/statistics & numerical data ; Risk Factors ; Sex Factors ; Survivors/statistics & numerical data ; Young Adult
    Language English
    Publishing date 2019-02-19
    Publishing country United States
    Document type Historical Article ; Journal Article
    ZDB-ID 2937-3
    ISSN 1476-6256 ; 0002-9262
    ISSN (online) 1476-6256
    ISSN 0002-9262
    DOI 10.1093/aje/kwz015
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Social distancing, population density, and spread of COVID-19 in England

    Peter Tammes

    BJGP Open, Vol 4, Iss

    a longitudinal study

    2020  Volume 3

    Abstract: Background: The UK government introduced social distancing measures between 16–22 March 2020, aiming to slow down transmission of COVID-19. Aim: To explore the spreading of COVID-19 in relation to population density after the introduction of social ... ...

    Abstract Background: The UK government introduced social distancing measures between 16–22 March 2020, aiming to slow down transmission of COVID-19. Aim: To explore the spreading of COVID-19 in relation to population density after the introduction of social distancing measures. Design & setting: Longitudinal design with 5-weekly COVID-19 incidence rates per 100 000 people for 149 English Upper Tier Local Authorities (UTLAs), between 16 March and 19 April 2020. Method: Multivariable multilevel model to analyse weekly incidence rates per 100 000 people; time was level-1 unit and UTLA level-2 unit. Population density was divided into quartiles. The model included an interaction between week and population density. Potential confounders were percentage aged ≥65, percentage non-white British, and percentage in two highest classes of the National Statistics Socioeconomic Classification. Co-variates were male life expectancy at birth, and COVID-19 prevalence rate per 100 000 people on March 15. Confounders and co-variates were standardised around the mean. Results: Incidence rates per 100 000 people peaked in the week of March 30–April 5, showing higher adjusted incidence rate per 100 000 people (46.2; 95% confidence interval [CI] = 40.6 to 51.8) in most densely populated ULTAs (quartile 4) than in less densely populated ULTAs (quartile 1: 33.3, 95% CI = 27.4 to 37.2; quartile 2: 35.9, 95% CI = 31.6 to 40.1). Thereafter, incidence rate dropped in the most densely populated ULTAs resulting in rate of 22.4 (95% CI = 16.9 to 28.0) in the week of April 13–19; this was lower than in quartiles 1, 2, and 3, respectively 31.4 (95% CI = 26.5 to 36.3), 34.2 (95% CI = 29.9 to 38.5), and 43.2 (95% CI = 39.0 to 47.4). Conclusion: After the introduction of social distancing measures, the incidence rates per 100 000 people dropped stronger in most densely populated ULTAs.
    Keywords covid-19 ; incidence rate ; population density ; primary health care ; social distancing ; england ; sars-cov-2 ; Medicine (General) ; R5-920
    Subject code 360
    Language English
    Publishing date 2020-07-01T00:00:00Z
    Publisher Royal College of General Practitioners
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Social distancing, population density, and spread of COVID-19 in England: a longitudinal study

    Tammes, Peter

    Abstract: BACKGROUND: The UK government introduced social distancing measures between 16-22 March 2020, aiming to slow down transmission of COVID-19. AIM: To explore the spreading of COVID-19 in relation to population density after the introduction of social ... ...

    Abstract BACKGROUND: The UK government introduced social distancing measures between 16-22 March 2020, aiming to slow down transmission of COVID-19. AIM: To explore the spreading of COVID-19 in relation to population density after the introduction of social distancing measures. DESIGN & SETTING: Longitudinal design with 5-weekly COVID-19 incidence rates per 100 000 people for 149 English Upper Tier Local Authorities (UTLAs), between 16 March and 19 April 2020. METHOD: Multivariable multilevel model to analyse weekly incidence rates per 100 000 people; time was level-1 unit and UTLA level-2 unit. Population density was divided into quartiles. The model included an interaction between week and population density. Potential confounders were percentage aged ≥65, percentage non-white British, and percentage in two highest classes of the National Statistics Socioeconomic Classification. Co-variates were male life expectancy at birth, and COVID-19 prevalence rate per 100 000 people on March 15. Confounders and co-variates were standardised around the mean. RESULTS: Incidence rates per 100 000 people peaked in the week of March 30-April 5, showing higher adjusted incidence rate per 100 000 people (46.2; 95% confidence interval [CI] = 40.6 to 51.8) in most densely populated ULTAs (quartile 4) than in less densely populated ULTAs (quartile 1: 33.3, 95% CI = 27.4 to 37.2; quartile 2: 35.9, 95% CI = 31.6 to 40.1). Thereafter, incidence rate dropped in the most densely populated ULTAs resulting in rate of 22.4 (95% CI = 16.9 to 28.0) in the week of April 13-19; this was lower than in quartiles 1, 2, and 3, respectively 31.4 (95% CI = 26.5 to 36.3), 34.2 (95% CI = 29.9 to 38.5), and 43.2 (95% CI = 39.0 to 47.4). CONCLUSION: After the introduction of social distancing measures, the incidence rates per 100 000 people dropped stronger in most densely populated ULTAs.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #637926
    Database COVID19

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  9. Article ; Online: Social distancing, population density and spread of COVID-19 in England:longitudinal study

    Tammes, Peter

    Tammes , P 2020 , ' Social distancing, population density and spread of COVID-19 in England : longitudinal study ' , British Journal of General Practice Open . https://doi.org/10.3399/bjgpopen20X101116

    2020  

    Abstract: Background: The UK government introduced social distancing measures between March 16-22, 2020, aiming to slow down transmission of COVID-19. Aim: To explore the spreading of COVID-19 in relation to population density after the introduction of social ... ...

    Abstract Background: The UK government introduced social distancing measures between March 16-22, 2020, aiming to slow down transmission of COVID-19. Aim: To explore the spreading of COVID-19 in relation to population density after the introduction of social distancing measures. Design & setting: Longitudinal design with 5 weekly COVID-19 incidence rates per 100,000 for 149 English Upper Tier Local Authorities (UTLAs), March 16-April 19. Method: Multivariable multilevel model to analyse weekly incidence rates per 100,000; time was level-1 unit and UTLA level-2 unit. Population density was divided into quartiles. The model included an interaction between week and population density. Potential confounders: percentage aged 65+, percentage non-white British, percentage in two highest classes of the National Statistics Socio-economic Classification. Co-variates: male life expectancy at birth, COVID-19 prevalence rate per 100,000 on March 15. Confounders and co-variates were standardized around the mean. Results: Incidence rates per 100,000 peaked in the week of March 30-April 5, showing higher adjusted incidence rate per 100,000 (46.2; 95% confidence interval (95%CI) 40.6-51.8) in most densely populated ULTAs (quartile 4) than in less densely populated ULTAs (quartile 1: 33.3, 95%CI 27.4-37.2; quartile 2: 35.9, 95%CI 31.6-40.1). Thereafter, incidence rate dropped in the most densely populated ULTAs resulting in rate of 22.4 (95%CI 16.9-28.0) in the week of April 13-19; this was lower than in quartiles 1, 2, and 3, respectively 31.4 (95%CI 26.5-36.3), 34.2 (95%CI 29.9-38.5), and 43.2 (39.0-47.4). Conclusion: After the introduction of social distancing measures, the incidence rates per 100,000 dropped strongest in most densely populated ULTAs.
    Keywords /dk/atira/pure/core/keywords/uob_covid19 ; Covid19 ; COVID-19 ; incidence rate ; population density ; primary healthcare ; social distancing ; England ; /dk/atira/pure/researchoutput/pubmedpublicationtype/D016428 ; Journal Article ; covid19
    Language English
    Publishing date 2020-06-28
    Publishing country uk
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article: Surviving the Holocaust: Socio-demographic Differences Among Amsterdam Jews.

    Tammes, Peter

    European journal of population = Revue europeenne de demographie

    2017  Volume 33, Issue 3, Page(s) 293–318

    Abstract: This study determined the victimisation rate among Amsterdam Jews and socio-demographic differences in surviving the Holocaust. After linking a registration list of over 77,000 Jewish inhabitants in 1941 to post-war lists of Jewish victims and survivors, ...

    Abstract This study determined the victimisation rate among Amsterdam Jews and socio-demographic differences in surviving the Holocaust. After linking a registration list of over 77,000 Jewish inhabitants in 1941 to post-war lists of Jewish victims and survivors, the victimisation rate lies between 74.3 and 75.3 %. Differences in survival chances and risk of being killed are examined by using multivariable logistic and Cox regression analyses. While male Jews had a reduced risk of death, in the end their survival chances hardly differed from females. Though Jews aged 6-14 and 31-50 initially had a lower risk of death, in the end compared with Jews aged 15-30 they had lower survival chances, just as Jews aged 50+. For Jews aged 0-5, it was the other way around. Immigrants showed better survival chances than native Jews. German Jews showed better survival chances than Dutch Jews, but Polish and other Jewish nationals showed highest survival chances. Jews who had abandoned Judaism had better survival chances than Jews belonging to an Israelite congregation. Divorced, widowed and unmarried adult Jews had better survival chances than married Jews and their children; Jews married to non-Jews, however, had one of the highest survival chances. Jews in the two highest social classes had better survival chances than jobless Jews. These findings indicate that survival was not random but related to socio-demographic characteristics. This sheds light on demographic consequences of conflict and violence: Nazi persecution reduced the Amsterdam Jewish community drastically, and socio-demographic differences in survival impacted the post-war Jewish population structure.
    Language English
    Publishing date 2017-01-23
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2015429-X
    ISSN 1572-9885 ; 0168-6577
    ISSN (online) 1572-9885
    ISSN 0168-6577
    DOI 10.1007/s10680-016-9403-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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