Understanding Viruses Worksheet

Name: ____________________________________ Understanding Viruses

Section 1 1.

List as many viruses as you can.

2. How do viruses reproduce? (aside from the video explanation, see pgs.486- 487 in the text).

3. Explain how World War I contributed to the flu pandemic of 1918?

4. Who was immune to small pox? Why were they immune?

5. Explain the work of Edward Jenner.

6. How are flu vaccines made?

7. Explain the work of Jonas Salk?

Section 2 (Ebola Virus) 1. What are some ways to fight against viruses?

2. What disease went extinct? When did this happen?

3. What are “viral emergents”? (Smallpox virus) 4. Why is it so important for virologists to study life forms in tropical rainforests?

5. What is HIV? Where did it originate and how did it spread?

(HIV 100 billionths of a meter!) 6. How might viruses help cure genetic disease? Provide a specific example.

After reading, “Protect Yourself”, correct each of the underlined portions so the statements read true. 1. Each year, 2 million teens and young adults are contract an STD. 2. Females may get breast cancer from an STD 3. Genital warts can be removed by being injected with a vaccine. 4. Herpes can lead to infertility. 5. Late stage symptoms of Syphilis include a fever and sore throat. 6. The most common STD among teens is HIV. 7. The medications to treat HPV include azithromycin and doxycycline. 8. People infected with Chlamydia may have visible cold sores and /or other non-visible symptoms. 9. Syphilis has no known cures but can be treated to prevent symptoms for months at a time. 10. HIV attacks the digestive system and prevents the carrier from fighting off everyday infections. 11. There are over 40 types of herpes, with symptoms ranging from none at all to cancer. 12. Symptoms of HIV include bleeding, abdominal pain or a burning sensation while urinating.