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עמוד בית
Fri, 06.12.24

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December 2001
Tamar Peled MSc, Michael Weingarten BM BCh, Noemi Varsano MSc, Andre Matalon MD, Adi Fuchs MD, Robert D. Hoffman MD, Charna Zeltcer MD, Ernesto Kahan MD MPH, Ella Mendelson PhD and Tiberio A. Swartz MD MPH

Background: Each winter influenza activity is a major cause of morbidity and mortality both in Israel and worldwide.

Objectives: To identify the influenza viruses active in Israel during the winter season and to assess the extent of influenza morbidity.

Methods: Information was collected on a population of 18,684 individuals enrolled in two community clinics in central Israel. It included the total number of visits for acute respiratory infection – including influenza and influenza-like illness (ARI/flu-like) – during a 20 week surveillance period (23 November 1997 to 27 March 1998) and the percent of influenza virus isolates in nasopharyngeal specimens from a sample of patients with ARI/flu-like collected on a weekly basis during the same period.

Results: A total of 5,947 visits for ARI/flu-like were recorded among 18,684 enrolled patients in two community clinics (18.1%). The progressive increase in the number of visits for ARI/flu-like reached a peak on week 2/98 with 597 visits and a rate of 31.95 visits per 1,000 population. After this, a decrease to the initial values was evident by week 12/98. Most affected patients were in the age groups 5–14 and 65 years and over, with a rate of 733.5 and 605.3 visits per 1,000 population, respectively. Influenza virus was isolated from 92 of the 426 nasopharyngeal specimens (21.6%). The most commonly detected strain was A/Sydney/5/97(H3N2) like (77.2%). The peak rate of isolates was recorded at the beginning of January (01/98).

Conclusions: A/Sydney/5/97(H3N2) like-strain was the dominant influenza virus. Its presence did not prevent the simultaneous activity of influenza A/H1N1 virus. The dynamic of the clinical disease as expressed by the weekly visit rate for ARI/flu-like was similar to the temporal pattern of the virological findings. The extent of morbidity suggests moderate epidemic activity.
 

March 2000
Michael A. Weingarten MA BM BCh, Irene Katzir MD, Elliot Sprecher PhD,Svetlana Kobzantsev MD, Cara Zelzer MD and Ernesto Kahan MD

Background: The pattern of diabetes and ischemic heart disease among emigrants from pre-industrialized societies to more developed countries may be explained by both genetic and environmental factors.

Objectives: To describe and interpret the pattern of diabetes and ischemic heart disease among Yemenite immigrants in Israel and their second-generation offspring.

Methods: Medical record charts of adult Yemenites were surveyed in a primary care health center, and the data were compared with prevalence rates derived from a non-Yemenite population.

Results: There was a marked excess of non-insulin dependent diabetes mellitus among Yemenite immigrants over 45 years of age, but not of hypertension or ischemic heart disease. Yemenites with diabetes were far less likely to develop ischemic heart disease than non-Yemenites with diabetes (odds ratio for non-Yemenites compared with Yemenites, 3.5; confidence interval 1.54<OR<7.77).

Conclusions: There was less of an association between diabetes and ischemic heart disease among Yemenites. This finding requires further investigation of the relative roles of genetic and environmental factors. 

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OR= odds ratio

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