How Can a Pandemic End?

Pandemics occur when a disease spreads to many regions of the world and infects many people at the same time, as COVID-19 did in 2020. So, how can we stop a pandemic like COVID-19? With measures like mask-wearing, physical distancing, and, most importantly, vaccines, all of which cut off paths for the virus to spread.

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Vaccines reduce infections, hospitalizations, and deaths and help achieve community immunity. Over time, a disease like COVID-19 may become endemic—always present in a population but spreading infrequently once a high level of community immunity is achieved. The end of a pandemic may also depend on how a particular disease manifests. The virus SARS-CoV-1, a coronavirus closely related to SARS-CoV-2 (which causes COVID-19), causes severe symptoms quickly and individuals aren’t contagious until after they show symptoms. Its spread in 2003 was stopped within six months using quarantine and isolation measures.

For more about the science of viruses and vaccines, visit the American Museum of Natural History’s COVID-19 resource hub: https://www.amnh.org/explore/viruses-vaccines-pandemic-science

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Generous support for the COVID-19 Resource Hub and its related teacher professional development programs has been provided by the Irma and Paul Milstein Family.

Видео How Can a Pandemic End? канала American Museum of Natural History