Hotez pushing the boosters...

Dr. Peter Hotez: " And there you started to see some deaths among the vaccinated because of waning immunity and the virus was so different from the original lineage which ultimately got corrected in the boosters. What you really needed to ensure that you weren't going to lose your life was to get a booster, get that third immunization, which unfortunately the for the same reasons a lot of people didn't get...I kept on pleading with Americans: Get your booster. And because immunity is waning for reasons we don't quite understand. I think that it does seem to be a weakness of the mRNA technology, that it doesn't hold up...it really became important for Americans to get their booster so I pushed that and I'm still pushing it. I pushed on the bivalent booster last September and I pushed on this new annual immunization...
Source: American Society for Microbiology (YouTube)