M6: Specific Viruses pt. 2

Question 1

chicken pox morphology

Answer 1

• linear
• double stranded
• enveloped
• DNA
• ~125K nucleotides

Question 2

chicken pox also called (3)

Answer 2

• varicella virus
• zoster virus
• VZV

Question 3

chicken pox overview

Answer 3

• part of herpesviruses family
• highly contagious via airborne droplets or touching blisters
• contagious 1-2 before blisters appear until they scab over
• remains dormant in body’s nerve cells after recover

Question 4

chicken pox symptoms (1)

Answer 4

small, itchy, fluid filled blisters on body

Question 5

chicken pox prevention

Answer 5

chicken pox vaccine containing inactivated VZV

Question 6

shingles overview

Answer 6

• aka herpes zoster
• occurs due to reactivation of VZV (often around age 60)
• can transmit VZV via blisters (causing chickenpox in someone who isn’t immune)

Question 7

shingles symptoms

Answer 7

• begins as severe pain/tingling/burning in area where rash after appears
• rash turns to painful blisters

Question 8

shingles treatment

Answer 8

• mild symptoms: OTC pain meds

- severe symptoms: acyclovir (anti-viral drug)

Question 9

smallpox morphology

Answer 9

• linear
• double stranded
• enveloped
• DNA
• ~186K nucleotides

Question 10

smallpox overview

Answer 10

• 2 variants: variola major & minor
• transmitted via airborne droplets & direct contact
• globally eradicated

Question 11

more severe smallpox variant

Answer 11

variola major

Question 12

inventor of smallpox vaccine (injection)

Answer 12

Edward Jenner

Question 13

last case of smallpox

Answer 13

Oct 26 1977

Question 14

smallpox symptoms (4)

Answer 14

• initial high fever
• rash in mouth or throat, which spreads to face, arms, legs, hands, feet
• rash turns to raised bumps filled with thick opaque fluid
• bumps –> scabs –> pitted scars on skin