01-06-2022, 01:16 PM
(01-06-2022, 12:38 PM)jamincan Wrote: My understanding is that they develop the next season's flu vaccine based on the prevalence of various strains in the opposite hemisphere the season prior. So vaccines for the southern hemisphere will be based on infection data collected this winter in the northern hemisphere.
I heard the same. So whatever they were getting in May/June is what we’d expect to start seeing in November.