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Epidemiological characteristics of influenza virus in the Municipality of Kumanovo (scientific article)

Influence is an acute respiratory disease with many significant morbidity and mortality. Orthomyxovirus is cause, and the three types, epidemiological significance type A and type B. Influenza occurs in the form of epidemics and pandemics (Influenza B may increasingly occur in sporadic cases). Since 1997 the world circulating H1N1 and H3N2 influenza A podttipovite that cause outbreaks of 1.2 or 3 years, and in 2009 and pandemic H1N1. Epidemic in a region is declared if collection from 3 to 5% of the total number of registered residents, and epidemics tinder 6-8 weeks.

objectives

The purpose of the paper is to seanaliziraat epidemiological Properties in Kumanovo region in the period from 1989 to 2015, to see in what years and what kind of coverage were outbreaks in the period of the year occurred and which age group is most affected.

Materials and Methods

A retrospective study analyzed the number of flu cases from 1989 to 2015 and the number of cases by age groups in the period from 2001 to 2015 on the territory naOpshtina Kumanovo. Worked four age groups. The first age group are children of preschool age (from 0 to 4 years), the second group are children of school age (5 to 14), a third group working age population (15 to 65) and the fourth group of senior citizens (over 65 years) .Informaciite obtained by summarizing the log data records of patients Cenatarot public Zdravje Kumanovo. The population which is used in epidemiological estimates obtained from the State Statistical Office according to censuses conducted in 1981 (60 842 zhitreli), 1994 (65 233 inhabitants), 2002 (70 842 inhabitants) and data obtained from the Center for Crisis Management under Kumanovo municipality which in 2012 counted 105,484 inhabitants.

results

For 26 years, registered a total of 81,739 cases of grip.Spored data obtained in 1991, 1994, 1996, 1998, 2001, 2002, 2003, 2004, 2006, 2012 and 2013 are registered less than 2% of the total cases the number of inhabitants can be said that in those years there were no epidemics. Increased number of cases between 2 and 3%, respectively, on the verge of declaring epidmeija years were 1990, 2000, 2005, 2008, 2010 and 2014 and 2015 Mr. According to the results of the Municipality of Kumanovo in the period from 1989 to 2015 we registered a total of 8 outbreaks. First register epidemic in 1989, which shown that 16.98% of the total population or 10333lica suffering from flu.The second outbreak in 1992 with a total of 10073 cases or 16.56%, the third in 1993 a total of 12.55% or a total of 7633 patients, the fourth in 1995 with 15135 cases or 25.13% of the total population and is also the largest recorded epidemic in the investigated period in the Municipality of Kumanovo. Fifth register epidemic in 1997 affected 5.5% of the total population or 3313 people, the sixth in 2007 with 4920 cases or 6.95% of the total population, the seventh in 2009 with a total of 6073 cases or 8.57% of total population registered last epidemic in 2011 which registered a total of 2,900 cases or 4.09% of the total population.

It is interesting that in the pandemic 2009 registered a total of 6072 cases (8.57%). According to the analysis by months for the period from 1989 to 2015 data show that the largest number of contaminated imavomart 31181 infected before January with a total of 24977 cases and February 14973 patients and can say that everything epidmeiite in this 26-year period occurred in these three months. Significant influenza activity and had a total of 5549 vodekemvri April 3296 and November 1365 with suffering. In stannates months will regsitrirano flu outbreak or only sporadic cases probably from influenza B virus. According to an analysis by age groups between 2001 and 2015 a total of 29,070 patients treated in children of preschool age are registered 3965 cases or a total of 13.64% of children of school age were registered 8193 cases or a total of 28.18% , the working population registered a total of 15,057 cases or a total of 51,80% and elderly population over 65 years were registered 1855 cases of flu or a total of 6.38%.

conclusion

  • In analyzed 26 year period in the Kumanovo region registered 8 with flu epidemics.
  • The biggest epidemicwith 15,135 cases (25.13%) in 1995.
  • Eight outbreaks even 5 are significantly larger number of cases of the pandemic in 2009.
  • Epidemics occur in March, January and February, with significant activity in December.
  • The largest number of cases has the largest age group of 15 to 60 years, and the least affected are in the age group over 65 years.

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