نتایج جستجو برای: seroepidemiologic studies
تعداد نتایج: 1426357 فیلتر نتایج به سال:
A potential relationship between chronic infection with chlamydia pneumonia (CP) and atherosclerosis has been suggested by seroepidemiologic, pathologic and animal studies. The aim of the present study was to evaluate the relation between antichlamydia antibody in patients with coronary events. This research was performed as a retrospective, case-control study on the blood samples from 87 i...
Tick-borne relapsing fever is an endemic disease in some parts of Iran. Borellia persica, the most common cause of this disease in Iran, has a wide geographic distribution and is present in Alborz and Zagros mountain chains.Here we report a 16–year-old male patient who presented with two episodes of fever within 15 days. He had a history of few overnight stays in a cave of mountainous area in F...
BACKGROUND dengue virus (DENV) was reintroduced into Brazil in 1986 and by 1995 it had spread throughout the country. In 2007 the number of dengue hemorrhagic fever (DHF) cases more than doubled and a shift in the age distribution was reported. While previously the majority of DHF cases occurred among adults, in 2007 53% of cases occurred in children under 15 years old. The reasons for this shi...
Genomic sequences of the human polyomaviruses, JC virus (JCV) and BK virus (BKV), and simian virus 40 (SV40) have been reported from several types of human brain tumors, but there have been no population-based seroepidemiologic studies to evaluate the association between polyomavirus infection and brain tumors. We conducted a case-control study, nested within a prospective cohort, to investigat...
Summary In order to determine the immunity state against Rubella in 10-19 year old women in urban and rural area of Chahar -Mahal Bakhtiari province of IRAN in act 1992. We have done a cross sectional seroepidemiologic study in 1347 women. This study showed a high rate of immunity against Rubella in this province. About 90.5% of studied population had protective antibody titer against Rubella...
To understand transmission of avian influenza A (H5N1) virus, we conducted a retrospective survey of poultry deaths and a seroepidemiologic investigation in a Cambodian village where a 28-year-old man was infected with H5N1 virus in March 2005. Poultry surveys were conducted within a 1-km radius of the patient's household. Forty-two household flocks were considered likely to have been infected ...
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