.FiveThirtyEight has collected some of the most common concerns with vaccination mentioned by people who are vaccine hesitant, and provided evidence-based responses to each one.
to reach that point. But Namandjé Bumpus, director of the department of pharmacology and molecular sciences at Johns Hopkins University, pointed out that regardless of whether we reach herd immunity, a more vaccinated population will lessen the spread of COVID-19 — a 70 percent vaccination rate is still better than 60 percent, which is better than 50 percent.
“Herd immunity is not this magic number where suddenly a bell will be rung across the country,” Bumpus said. “Every person counts.” But perhaps even more important for public health is the fact that fewer infections provide less opportunity for the virus to mutate into new, potentially more deadly, strains. Each time the novel coronavirus infects a person,. When the virus duplicates, it sometimes makes an exact copy of itself, and other times its copies have a slight mutation. Sometimes these mutations make the virus weaker, and other times, they make it stronger — such as being better able to— according to Dr.
“Every time the virus infects a new person, there’s a chance it can find a mutation that benefits itself,” Li said. Those beneficial mutations are what allow the novel coronavirus to evolve into new variants, including the delta variant, which is
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