The WHO 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 pandemic.
The WHO 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 pandemic.
Unfortunately it looks like influenza B and C aren’t actually all that common in the first place with A being in animals and causing most pandemics. This dead virus is a half of influenza B. It’s neat if we killed it off, but probably not any benefit to public health.