نتایج جستجو برای: seroepidemiological studies
تعداد نتایج: 1426863 فیلتر نتایج به سال:
We conducted seroepidemiological studies on antibody prevalence to hepatitis E virus (HEV) in 5,233 sera from 11 countries to ascertain the present state of HEV infection on a global basis. The prevalence of anti-HEV IgG increased with age in these tested countries, but the rate of antibody positivity was over 20% in the 16-30 year-old group in most of the participating countries, except for Ja...
Erratum for Pettersson et al., “How Did Zika Virus Emerge in the Pacific Islands and Latin America?”
The unexpected emergence of Zika virus (ZIKV) in the Pacific Islands and Latin America and its association with congenital Zika virus syndrome (CZVS) (which includes microcephaly) and Guillain-Barré syndrome (GBS) have stimulated wide-ranging research. High densities of susceptible Aedes spp., immunologically naive human populations, global population growth with increased urbanization, and esc...
A novel calicivirus, St-Valerien-like virus (SVV), has been identified in asymptomatic swine in Canada, Italy and the U.S.A. In this study, we characterized a new SVV strain (NUP-24/JP) detected in fecal samples of swine in Japan. The NUP-24/JP genome had 6,409 nucleotides and 2 open reading frames (ORF1 and ORF2). ORF1 and ORF2 consist of 5,940 and 453 nucleotides, respectively. Phylogenetic a...
AIM Toxoplasma gondii is an ubiquitous apicomplexan parasite which causes toxoplasmosis in humans and animals. Felids especially cats are definitive hosts and almost all warm-blooded mammals, including livestock and human can serve as intermediate hosts. Food animals can be reservoirs for T. gondii and act as one of the sources for parasite transmission to humans. The objective of this study is...
background: kaposi’s sarcoma is a vascular malignancy, which frequently occurs among immunocompromised individuals such as transplant recipients and patients with acquired immunodeficiency syndrome. human herpesvirus 8 (hhv-8) is considered the etiological agent of all forms of kaposi’s sarcoma. though some seroepidemiological studies conducted on the prevalence of hhv-8 in iran, there are insu...
Leptospirosis is an emerging infectious disease with worldwide distribution.[1] It is endemic in most tropical and subtropical countries. In Sri Lanka, leptospirosis is a notiÞ able disease and around 1500 cases are reported annually to the epidemiology unit.[2] Almost all the cases are reported on clinical suspicion without laboratory conÞ rmation.[3] Seroepidemiological data on leptospirosis ...
Recently, three novel avian-origin swine influenza viruses (SIVs) were first isolated from pigs in Guangdong Province, southern China, yet little is known about the seroprevalence of avian influenza viruses among pigs in southern China. Here, we report for the first time the seroprevalence of avian H3, H4, and H6 influenza viruses in swine populations and the lack of seroepidemiological evidenc...
RICKETTSIA TYPHI is an intracellular bacteria who causes murine typhus. His importance is reflected in the high frequency founding specific antibodies against Rickettsia typhi in several worldwide seroepidemiological studies, the seroprevalence ranging between 3-36%. Natural reservoirs of R. typhi are rats (some species belonging the Rattus Genus) and fleas (Xenopsylla cheopis) are his vector. ...
in this report, a seroepidemiological survey was performed to determine the prevalence of rubella immunity and antibody titer in 11-16 year old girls in urban and rural areas of tonkabon district in northern iran. the results and conclusion are presented.
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