Epidemics And Pandemics Flashcards
1
Q
Incubation period
A
Time from acquiring germ to showing symptoms
2
Q
Infectious period
A
May begin before onset of symptoms
Faster onset for viruses than bacteria
3
Q
Epidemic
A
Serious outbreak in single community, population or region
4
Q
Pandemic
A
Epidemic spreading around the world affecting hundreds of thousands of people, across many countries
5
Q
Influenza B
A
Sporadic outbreaks
Children
Human virus
6
Q
Influenza A
A
Can infect animals and humans
Antigenic drift mutation
Dangerous
Antigenic shift spread
7
Q
Pandemic flu social problems
A
High morbidity
Excess mortality
Social disruption
Economic disruption
8
Q
What to expect from pandemic flu
A
- Incubation period 1-4 days
- Infectious from onset of symptoms to 4-5 days after,
• 10% infectious before symptom onset.
• First wave last 3-5 months. Subsequent waves may be worse
• Will take 4 – 6 months before vaccine ready
9
Q
Areas to tackle in chain of infection
A
Agent, host or reservoir
