Viruses

3. the passing on of physical and mental characteristics genetically from one generation to another.
6. A ring of people are given a vaccine for a particular disease to reduce the spread of the contagion.
11. Caused by the same virus that causes chicken pox.
14. Inflammation of the liver, Has 3 different types.
15. life threatening condition, causes acquired immunodeficiency syndrome.
16. viral infection of the nose, throat, and lungs. happens more commonly in late fall, winter and early spring.
18. Genome of two variants, that have infected a person at the same time,combine during viral replication to form a new varient...different from both parent lineages.
20. highly infected disease that invades the nervous system.

1. change in a virus genome; occurs frequently.
2. A large population of people in a particular population have immunity to a contagious illness.
4. Caused by varcella zoster spreads through coughing, sneezing, direct contact.
5. Transmitted through the bite of a rabid animal.
7. Spreads easily through coughing and sneezing.
8. Respiratory disease that can result in severe pneumonia.
9. viral genome that contains one or more mutation.
10. Group of closely related viruses with a common ancestor.
12. Most common STI,causes cancer and genital warts.
13. Illness in humans and monkeys, gorillas, chimps.
17. An acute contagious disease by the variola virus.
19. Can cause respiratory infections and can be deadly.