Popsugar Fitness Athletes WNBA Players Talk to Doctors About COVID-19 Vaccine Booster Shots and Double-Masking: WNBA Players Asked 7 Vaccine Q's and Doctors Answered April 16, 2021 by Maggie Ryan View On One Page Photo 7 of 8 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by WNBPA (@thewnbpa) Share This Link Copy ← Use Arrow Keys → 7 What Percentage of the Population Needs to Be Vaccinated For Herd Immunity? To reach herd immunity, about 60-70 percent of the population should be vaccinated, Rivera said. Previous Next Start Slideshow COVID-19AthletesSportsBasketball