Risk Factors for Pandemic (H1N1) 2009 Virus Seroconversion among Hospital Staff, Singapore


We describe incidence and risk factors for pandemic (H1N1) 2009 virus infection in healthcare personnel during the June-September 2009 epidemic in Singapore. Personnel contributed 3 serologic samples during June-October 2009, with seroconversion defined as a ≥4-fold increase in hemagglutination inhibition titers to pandemic (H1N1) 2009. Of 531 participants… (More)
DOI: 10.3201/eid1610.100516

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