Tag: natural immunity

NC COVID-19 Threat-Free Index for the week ending March 29, plus a discussion of herd immunity

By Jon Sanders Raleigh, NC – Here is the NC Threat-Free Index for the week ending March 29: As of March 29, there were 876,108 North Carolinians presumed to be recovered from COVID-19 Active cases comprised just 2.5% of NC’s…

How do you think this pandemic ends?

By Kevin Roche There are only two ways that this epidemic ends.  One is by population immunity that makes transmission rare, and one is eradication of the virus.  The latter is simply not going to happen.  The former can be…