The PEARLS article also notes that older individuals may retain partial immunity to H5N1 due to previous exposure to seasonal H1N1 or H2N2 viruses during childhood. In this educational overview ...

Antibody titers against H5N1 strains were higher in older individuals, suggesting that childhood exposure to earlier group 1 influenza viruses (H1N1 and H2N2) may enhance later immune responses to ...

The 2009 influenza pandemic A(H1N1)pdm09 of swine origin and the continued circulation of highly pathogenic avian H5N1 strain in humans are stark reminders of the unpredictable nature of the ...

aUCL Research Department of Infection and Population Health, University College London, London, UK bUCL Department of Primary Care and Population Health, University College London, London, UK ...

Department of Mathematics, University of Malakand, Chakdara Dir Lower 18000, Khyber Pakhtunkhwa, Pakistan ...