Lack of neutralizing antibodies against the current circulating influenza viruses during the Omicron outbreak in Hong Kong
Abstract
We report the seroprevalence to the circulating influenza A H1N1 and H3N2 viruses from plasma samples collected from 479 adults between 2021 and 2022. Our results show that there is lack of neutralizing antibodies to these viruses and highlight the importance of promoting influenza vaccination during the emerging of COVID-19.
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