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Vaccination helps protect the unvaccinated from COVID-19

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High levels of vaccination against COVID-19 were associated with a reduced prevalence of SARS-CoV-2 in a group of unvaccinated people under the age of 16. Nature medicine.. Based on an analysis of vaccination records and test results from 177 geographically distinct communities in Israel from December 6, 2020 to March 9, 2021, vaccination against COVID-19 vaccinated. It shows that it helps protect those who have received it and those who have not.

Pfizer-BioNTech launches clinical trials and vaccination campaigns vaccine For COVID-19, it is very effective in preventing infections and diseases at the individual and community level. However, it has been suggested that vaccination may increase infection due to changes in human behavior. For example, vaccinated people may not be very conscious of social distance or may not be quarantined after contact with a person with COVID-19.

Vaccination rollout in Israel began on December 19, 2020, with initial doses of vaccine population Within 9 weeks.Determining whether vaccination reduces SARS-CoV-2 infection among unvaccinated people Population level, Roy Kishony, Tal Patalon and colleagues focus on 177 geographically distinct communities with different vaccination rates (a total of 1.37 million Pfizer-BioNTech vaccine first-time vaccinations) and a cohort of unvaccinated people under the age of 16. Did. The age at which the vaccine was not yet available. The authors evaluated changes in the number of positive COVID-19 tests within each community over time. On average, for every 20% increase in the number of people vaccinated in a particular population, the number of SARS-CoV-2 positive tests in the unvaccinated population in the same community is about 2. We have found that it is reduced by a factor of 1.

The authors warn that their findings do not take into account the potential for spontaneous immunity to SARS-CoV-2. They hope that the observed vaccine-related protection of unvaccinated populations is promising, but whether and how vaccination campaigns support herd immunity and the prospect of disease eradication. We conclude that further research is needed to understand.


High doses of COVID-19 vaccination may help protect unvaccinated people


For more information:
Oren Milman et al, community-level evidence of SARS-CoV-2 vaccine protection in unvaccinated individuals, Nature medicine (2021). DOI: 10.1038 / s41591-021-01407-5

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Nature Publishing Group

Quote: Vaccination from COVID-19 (2021, June 11) obtained on June 11, 2021 from https: //medicalxpress.com/news/2021-06-vaccination-unvaccinated-covid-.html Helps protect unvaccinated people

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