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3 days ago · COVID-19 rapidly emerged as a leading cause of death, ranking as the third highest cause of mortality globally in 2020 and the second in 2021. Nearly 13 million lives were lost during this period. The latest estimates reveal that except in the African and Western Pacific regions, COVID-19 was among the top five causes of deaths, notably ...
May 10, 2022 · COVID-19 is caused by the coronavirus known as SARS-CoV-2. There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.
- The Editors of Encyclopaedia Britannica
2 days ago · The so-called FLiRT variants of SARS-CoV-2 coronavirus that cause COVID-19 have been the dominant forms of the virus circulating this year globally, according to the World Health Organization
3 days ago · The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931. The causative agent was identified as a virus in 1933.
4 days ago · SARS-CoV-2 is a positive-sense single-stranded RNA virus. It is contagious in humans and is the cause of the coronavirus disease 2019 (COVID-19). Latest Research and Reviews. Intranasal...
5 days ago · A study by researchers at Washington University School of Medicine in St. Louis has found that repeat vaccination with updated versions of the COVID-19 vaccine promotes the development of antibodies that neutralize a wide range of variants of the virus that causes COVID-19, as well as related coronaviruses. Credit: Matt Miller/Washington University
6 days ago · COVID-19 is a respiratory disease that is caused by a coronavirus known as SARS-CoV-2, which was first identified in 2019. The virus is primarily transmitted from person to person through droplets made when infected people cough, sneeze, or talk.
