Serological Response in RT-PCR Confirmed H1N1-2009 Influenza A by Hemagglutination Inhibition and Virus Neutralization Assays: An Observational Study

2009 Influenza A(H1N1) Seroconversion Rates and Risk Factors Among Distinct Adult Cohorts in Singapore

(2010) Mark I. C. Chen   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Incidence of 2009 pandemic influenza A H1N1 infection in England: a cross-sectional serological study

(2010) Elizabeth Miller et al.   LANCET

Comparative Epidemiology of Pandemic and Seasonal Influenza A in Households

(2010) Benjamin J. Cowling et al.   NEW ENGLAND JOURNAL OF MEDICINE

Real-Time Epidemic Monitoring and Forecasting of H1N1-2009 Using Influenza-Like Illness from General Practice and Family Doctor Clinics in Singapore

(2010) Jimmy Boon Som Ong et al.   PLoS One

Immunogenicity of a Monovalent 2009 Influenza A(H1N1) Vaccine in Infants and Children

(2009) Terry Nolan et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Response to a Monovalent 2009 Influenza A (H1N1) Vaccine

(2009) Michael E. Greenberg et al.   NEW ENGLAND JOURNAL OF MEDICINE

Emergence of a Novel Swine-Origin Influenza A (H1N1) Virus in Humans

(2009)   NEW ENGLAND JOURNAL OF MEDICINE

Cross-Reactive Antibody Responses to the 2009 Pandemic H1N1 Influenza Virus

(2009) Kathy Hancock et al.   NEW ENGLAND JOURNAL OF MEDICINE

Pandemic Potential of a Strain of Influenza A (H1N1): Early Findings

(2009) C. Fraser et al.   SCIENCE