Syed Sohail Zahoor Zaidi

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Efforts have been made to eliminate wild poliovirus transmission since 1988 when the World Health Organization began its global eradication campaign. Since then, the incidence of polio has decreased significantly. However, serotype 1 and serotype 3 still circulate endemically in Pakistan and Afghanistan. Both countries constitute a single epidemiologic(More)
Human parechoviruses are known to cause asymptomatic to severe clinical illness predominantly respiratory and gastroenetric infections. Despite their global prevalence, epidemiological studies have not been performed in Pakistan. In this study, we retrospectively analyzed 110 fecal specimen and found 26 (24%) positive for viral RNA with HPeV-10 (n = 3,(More)
BACKGROUND This article reviews the epidemiology of polio, acute flaccid paralysis (AFP) surveillance, and the implementation of supplemental immunization activities (SIAs) in Afghanistan from 1997 thru 2013. METHODS Published reports and unpublished national data on polio cases, AFP surveillance, and SIAs were analyzed. Recommendations from independent(More)
OBJECTIVE To determine the prevalence of cytomegalovirus in pregnant women and types of overt congenital infection in neonates. METHODS This cross-sectional study was conducted at the Pakistan Institute of Medical Sciences and Federal Government Services Hospital in Islamabad, Pakistan, from March 2010 to June 2011, and comprised blood samples of pregnant(More)
BACKGROUND More than 99% of poliovirus infections are non-paralytic and therefore, not detected by acute flaccid paralysis (AFP) surveillance. Environmental surveillance (ES) can detect circulating polioviruses from sewage without relying on clinical presentation. With extensive ES and continued circulation of polioviruses, Pakistan presents a unique(More)
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