paralysis

Oral polio vaccine-associated paralysis in a child despite previous immunization with inactivated virus

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Vaccine-associated poliomyelitis caused by the oral poliovirus vaccine is rare, but its occurrence in a healthy, immunocompetent 6-month old child was highly unusual because the child had been previously immunized with two doses of the injected, inactivated poliovirus vaccine (IPV). The three poliovirus vaccine strains developed by Albert Sabin (OPV, oral poliovirus vaccine) contain mutations which prevent …

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Poliovirus silently (and not so silently) spreads

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Poliovirus has been found in sewage in Israel. The virus detected is not vaccine-derived poliovirus; it is wild-type 1 poliovirus, the strain that occurs naturally in the wild and which the World Health Organization is trying very hard to eradicate from the planet. As part of the global effort to eradicate poliovirus, environmental samples from …

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Microbes After Hours: West Nile virus

Basic virology, Information / By

This discussion of West Nile virus was recorded at the headquarters of the American Society for Microbiology during a “Microbes After Hours” event on May 6, 2013. The speakers are Dr. Lyle Petersen Lyle R. Petersen, M.D., M.P.H., director of the Division of Vector-Borne Diseases at CDC, and Dr. Roberta DeBiasi, MD, FIDSA, Associate Professor of Pediatrics at George …

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