COVID-19 Puzzle

3. a national public health institute in the United States
5. pumps air into patients airways
9. a widespread occurrence of an infectious disease in a community at a particular time.
11. a deadly disease with occasional outbreaks that occur primarily on the African continent
12. a carrier for a disease or infection but experiences no symptoms
13. an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host
14. first known case of covid-19 in the world
15. flu pig influenza

1. a safe space between yourself and other people who are not from your household
2. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease
4. itchy blister rash like infection
6. directs international health within the United Nations' system and to lead partners in global health responses
7. an apparatus worn over the mouth and nose or the entire face to prevent the inhalation of dust, smoke, or other noxious substances.
8. prevalent over a whole country or the world.
10. a state, period, or place of isolation in which people or animals that have arrived from elsewhere or been exposed to infectious or contagious disease are placed.