Emerging Infectious Diseases (May 2010)
Transmission of Hemagglutinin D222G Mutant Strain of Pandemic (H1N1) 2009 Virus
Abstract
A pandemic (H1N1) 2009 virus strain carrying the D222G mutation was identified in a severely ill man and was transmitted to a household contact. Only mild illness developed in the contact, despite his obesity and diabetes. The isolated virus reacted fully with an antiserum against the pandemic vaccine strain.
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