summary review

Question 1

stage 2: prodromal period

Answer 1

showing vague symptoms; unwell/achy

Question 2

convalescence

Answer 2

back to normal, like 95% back

Question 3

stage 1: incubation period

Answer 3

• disease most likely to be transmitted bc asymp
• S. aureus = 2-4 hours
• influenza = 2-5 days
• varicella = weeks
• HPV = 25 years
  Fast: come w preformed toxins: botulinum toxin, S. aureus toxins (no replication required, can’t do anything about it)
  Slower: organisms have to replicate or go dormant

Question 4

stage 3: active period + stage 4: decline

Answer 4

1. active period/illness (stage 3)
   - at its peak with pathognomonic symptoms presenting
   - less likely to transmit
2. decline (stage 4)
   - getting better, viral load is going down

Question 5

stage 5: convalescence period

Answer 5

• sympt minimal
• patients may still be contagious
  Carrier states: still able to spread pathogen to others

Question 6

reservoirs of infection

Answer 6

• human: sympt, and asympt
• animal: animal/direct/zoonosis, indirect
• non-living/environmental: surfaces, soil, water

Question 7

modes of transmission

Answer 7

direct contact
indirect contact
droplet
airborne