There are many efficacy numbers. mRNA does help against infection but efficacy is apparently low, like 50-60%. Makes sense because they weren't really developed

There are many efficacy numbers. mRNA does help against infection but efficacy is apparently low, like 50-60%. Makes sense because they weren't really developed with that in mind. Efficacy goes to 60-80% for symptomatic, over 80% for serious/hospitalization, and mid 90% for death. I think.