Earlier quoted context omitted.
> Then I see old folks or one 30y/o woman in the supermarket wearing a mask, and I remember that this protects them too. I have a hard time believing that after 2 years of messaging about why people should take a vaccine that this is an “honest question”
> I have a hard time believing that after 2 years of messaging about why You must have forgotten that they have been two years of communicational failures.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9832587
Rethinking next-generation vaccines for coronaviruses, influenzaviruses, and other respiratory viruses David M. Morens, Jeffery K. Taubenberger, and Anthony S. Fauci
'Because these viruses generally do not elicit complete and durable protective immunity by themselves, they have not to date been effectively controlled by licensed or experimental vaccines. In this review, we examine challenges that have impeded development of effective mucosal respiratory vaccines ...'