Amazon Quiz: BA.2 is the subvariant of which strain of the SARS-CoV-2 virus that causes COVID-19?
Alpha
Delta
Beta
Omicron
Ans: Omicron
The World Health Organization has identified the COVID-19 Omicron variation as a variant of concern. Omicron has a doubling time of 2-3 days and is disseminating more quickly than any preceding variation.
Omicron has a subvariant called BA.2, which is frequently called “stealth Omicron.”
According to the World Health Organization, it is currently the COVID-19 strain that is most prevalent throughout the world and is the virus’s most contagious variation to date.
Although BA.2 is not thought to be more severe than other forms of Omicron, there have been more hospitalizations worldwide as a result of the dramatic rise in cases.
The removal of public health precautions like the wearing of masks and physical segregation is accelerating the spread of the infection in many nations. The COVID-19 vaccinations continue to provide excellent defence against fatal disease, particularly Omicron.
People infected with the Omicron variant may exhibit symptoms that are similar to those of earlier versions. The presence of other medical disorders, age, prior infection history, and COVID-19 vaccination status can all have an impact on the presence and intensity of symptoms.
The best public health approach to prevent COVID-19 and lessen the possibility of new variations arising is still COVID-19 vaccination. This covers the initial series, booster shots, and subsequent doses as needed.
The Omicron variant infection is preventable with the help of modern vaccines, which guard against fatalities, serious illness, and hospitalizations.
However, even among those who have had a vaccination, illnesses might emerge. When exposed to COVID-19, people who have received their COVID-19 vaccinations in a timely manner are less likely to become very ill than those who have not.
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