WHO recommends dropping component of many flu vaccines
STAT
SEPTEMBER 29, 2023
The World Health Organization has recommended dropping a component of many flu vaccines because the viruses it protects against appear to have been driven into extinction in the Covid-19 pandemic. A family of viruses known as influenza B/Yamagata has not been seen since March 2020, when flu circulation worldwide declined to very low levels in the face of the onslaught of Covid and the protections people took to avoid contracting it.
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