Covid 19 coronavirus Delta outbreak: How long does immunity last after vaccination? Do we need booster shots? Two immunology experts explain
ANALYSIS: An important factor in achieving herd immunity against SARS-CoV-2 (the virus that causes Covid-19) is how long the vaccines protect you. If a vaccine continues to work well over a long period, it becomes easier to have a significant proportion of the population optimally protected, and in turn suppress or eliminate the disease entirely. As the rollout of Covid-19 […]
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