Avian Influenza A

Close Physical Contact Needed to Transmit Virus

Published in Medical Letter on the CDC and FDA, January 31st, 2000

Social contact with persons infected with avian influenza A (H5N1) does not appear to transmit the virus. Instead, close personal contact appears to be necessary for viral transmission, according to a study from the United States.

The outbreak of human respiratory disease caused by H5N1 viruses was first documented in Hong Kong in 1997. "The kinetics of the antibody response to the avian virus in H5N1-infected persons was similar to that of a primary response to human influenza A viruses; serum neutralizing antibody was detected, in general, {{>=}} 14 days after symptom onset," according to US Centers for Disease Control and Prevention researchers J. M. Katz et...

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Source: Medical Letter on the CDC and FDA (2000-01-31)

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