Across
- 2. The system where Covid-19 affects the most
- 4. Organism that gets nutrients from a host
- 5. The country in which the parasite originated
- 7. A way we can find out who has the virus
Down
- 1. The month when Covid-19 was first recorded
- 3. Article of clothing that prevents the spread of the virus
- 4. when a disease is prevalent across the entire world
- 6. Severe acute respiratory syndrome