![]() The European Union, for instance, has distributed enough vaccines for 70% of its population. However, various governments have still set national vaccination goals close to that number to encourage citizens to get inoculated. ![]() The ability of the coronavirus to mutate quickly into new variants, such as Delta, that reduce the effectiveness of vaccines has cast doubt on whether herd immunity can be achieved. In many countries, vaccination drives slowed before reaching 70% or more of the population - a threshold some experts say could help largely curb COVID-19 transmission through so-called herd immunity, when combined with people who developed immunity following an infection. But when the arrival of Delta brought a spike of cases in June, the government jumped in quickly with a new campaign urging teenagers to get the shot and parents to vaccinate their children aged 12 to 15. In Israel the vaccination rate had plateaued in April as new COVID infections were on a months-long steady decline. Those dates could change depending on many factors, including approvals to vaccinate younger children. And if the current pace is maintained, five more countries will hit 70% by the end of August. Īt the current pace, Canada, Chile, the United Kingdom, and eight others will reach that benchmark before the end of the month. 1, according to the Reuters analysis of Our World in Data vaccination figures. population will not receive a first dose of vaccine until Dec. At its current, declining pace, 70% of the U.S. 2021 70(34): 1156.But it is a different story in the United States. Sustained effectiveness of Pfizer-BioNTech and Moderna vaccines against COVID-19 associated hospitalizations among adults-United States, March–July 2021. Tenforde MW, Self WH, Naioti EA, Ginde AA, Douin DJ, Olson SM, Talbot HK, Casey JD, Mohr NM, Zepeski A, Gaglani M.Effectiveness of COVID-19 vaccines in preventing hospitalization among adults aged ≥65 years - COVID-NET, 13 states, February–April 2021. ![]()
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