One family of flu viruses hasn’t been seen since 2020. WHO says it can be left out of future flu vaccines
By Jamie Gumbrecht, CNN (CNN) — When the World Health Organization recommended on Friday which influenza viruses to target in vaccines for next year, it removed a family of viruses that hasn’t been seen since the early days of the Covid-19 pandemic. As Covid-19 began to spread widely in 2020, people took protective measures such
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