Virology lecture #24: Unusual infectious agents
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Information
FDA clears rotavirus vaccines
The US Food and Drug Administration has updated its recommendations on both Rotarix and RotaTeq, vaccines for the prevention of rotavirus disease in infants: Based on careful evaluation of a variety of scientific information, FDA has determined it is appropriate for clinicians and health care professionals to resume the use of Rotarix and to continue …
Virology lecture #23: Emerging viruses
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Recombination between cellular and viral RNA produces a pathogenic virus
Bovine viral diarrhea virus is an economically important animal pathogen that may cause a fatal gastrointestinal disease in beef and dairy herds. Infection of a fetus with this virus during the first trimester leads to the birth of animals that are persistently infected for life. Some animals remain healthy, while others develop severe mucosal disease. …
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Virology lecture #22: Evolution
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Porcine circovirus DNA found in RotaTeq
The US Food and Drug Administration recently recommended that administration of Glaxo SmithKline’s Rotarix vaccine, which protects against rotavirus infection, be suspended after an independent research group found that the vaccine contains DNA of porcine circovirus type 1. Now the FDA reports finding circovirus DNA in the rotavirus vaccine made by Merck: FDA recently received information …