Across
- 2. the very first strain that caused the entire global pandemic detected in China on Nov. 2019.
- 4. first detected in the UK on Nov. 2020 and was known to increase the chance of fatalities among older people.
- 5. first detected in South Africa on Oct. 2020 and was known for younger people sicker requiring hospitalization.
Down
- 1. first detected in Brazil on
- 3. 2021 and was known for being able to re-infect people who had recovered from COVID-19.