Across
- 1. a ground that continuously remains frozen for two or more years
- 3. the removal of a forest from land that is then converted to non-forest use
- 7. suspected intermediate host of SARS-cov 2
- 8. a bacterium, virus, or other microorganism that can cause dis
- 9. time between the time of contagion and the onset of symptoms of a disease.
- 11. the only treatment for covid-19 today
- 13. hypothetical filter that enabled the flu to disappear in 1919
Down
- 1. measures taken for disease prevention
- 2. small rodent responsible for plague in europe
- 4. a situation in which you are protected against disease
- 5. global epidemic
- 6. flu during 1918/1919
- 10. we owe him the hand washing
- 12. any agent (Arthropods) which carries and transmits an infectious pathogen into another living organism