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2020 – 2021 common Coronavirus questions and answers


Question: How did Covid-19 start?

Answer: Coronavirus disease 2019 (COVID-19) is defined as illness caused by a novel coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; formerly called 2019-nCoV), which was first identified amid an outbreak of respiratory illness cases in Wuhan City, Hubei Province, China.

Question: Why is Covid-19 called novel coronavirus?

Answer: A “novel” coronavirus (nCoV) is a new strain that has not been previously identified in humans. COVID-19’s animal-to-person spread was suspected after the initial outbreak among people who had a link to a large seafood and live animal market. Because it’s so new, very little is known about how this coronavirus acts.

Question: Why the word novel was added next to the name of Corona virus?

Answer: The word “novel” originated from the Latin word “novus,” which means “new.” In medicine, “novel” usually refers to a virus or bacterial strain that was not previously identified. COVID-19 is a new disease, caused by the novel, or new, coronavirus SARS-CoV-2 that was not previously seen in humans.

Question: When was COVID-19 declared a pandemic?

Answer: The World Health Organization declared the outbreak a Public Health Emergency of International Concern on 30 January 2020, and a pandemic on 11 March 2020.

Question: Who issued the official name of COVID-19?

Answer: The official names COVID-19 and SARS-CoV-2 were issued by the WHO on 11 February 2020.

Question: Who is the WHO Director-General in charge of coronavirus disease matters?

Answer: WHO Director-General Dr Tedros Adhanom Ghebreyesus

Question: How long has Covid been around?

Answer: The older human coronaviruses were first identified in the mid-1960s, but have likely circulated in humans for centuries. These include 229E (alpha coronavirus), NL63 (alpha coronavirus), OC43 (beta coronavirus) and HKU1 (beta coronavirus).

Question: Do vaccines protect against variants?

Answer: Current data suggest that COVID-19 vaccines authorized for use in the United States offer protection against most variants currently spreading in the United States. However, some variants might cause illness in some people even after they are fully vaccinated.

Question: Which vaccine is best against variants?

Answer: Of the three “variants of concern” recognized by the World Health Organization and the CDC, studies have shown that the mRNA vaccines created by Pfizer/BioNTech and Moderna, as well as the Novavax vaccine, remain highly effective against the B. 1.1. 7 variant, which was first recognized in the United Kingdom.

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