Across
- 2. another popular vaccine for covid 19
- 4. prevalent over a whole country or world
- 6. stimulates the production of antibodies
- 9. an infectious agent
- 10. something you should do if you experience covid 19 symptoms
- 11. something to help diagnose you
Down
- 1. messenger and a single stranded molecule of RNA
- 3. a disorder or function in a human or animal
- 4. a popular vaccine for covid 19
- 5. a center for disease control
- 7. an unfortunate popular virus since march 2020
- 8. something that is now mandatory majority of the world