Letter: No time to be an anti-vaxxer

Herd immunity occurs when around 90% of the population has effective antibodies to a contagious disease. COVID-19 is apparently about as deadly but more contagious than the flu. In lieu of a vaccine for COVID-19, social distancing and personal protective equipment act like a vaccine.Just like anti-vaxxers with measles and mumps, those who claim it is their right to mingle threaten themselves, their families and others with contagion from COVID-19. Hundreds of these anti-vaxxers recently defied s