Masks are effective: https://www.cdc.gov/coronavirus/2019-ncov/science/science-briefs/masking-science-sars-cov2.html https://www.cdc.gov/coronavirus/2019-ncov/s

Masks are effective: https://www.cdc.gov/coronavirus/2019-ncov/science/science-briefs/masking-science-sars-cov2.html https://www.cdc.gov/coronavirus/2019-ncov/science/science-br... The letter author brought up the flu when he stared talking about respiratory viruses. To date, all data states that the Moderna and Pfizer vaccine is safer than covid for every age group that has sufficient data. I would assume many other vaccines are similar. Looks like I accidentally deleted a section before I posted. I was referring to his claim that people are arguing that vaccinated can't spread covid. This is ridiculous because it's been know for a while that vaccinated can probably still spread covid. The CDC has had this on it's FAQ for a while: "Early evidence suggests infections in fully vaccinated persons caused by the Delta variant of SARS-CoV-2 may be transmissible to others". Which is basically science speak for "yes it happens, but we don't have a good idea of exactly how much." There are almost a billion people in the world in the 60+ demographic. That's a lot of dead people. Covid also kills a fair amount of people in the 35-54 range. This paper(https://royalsocietypublishing.org/doi/10.1098/rsob.200213 https://royalsocietypublishing.org/doi/10.1098/rsob.200213) estimates ~1% but it's from 2020 so the numbers may have changed a bit. The number of people in the age group 35-54 is several billion, so that's also a lot of dead people.