Intro to Micro Flashcards
1
Q
the black death
A
1348
- killed 30-50% of world’s population
- from Asia
2
Q
syphilis
A
- 1490s-spain
- 1494 france
- then poland, italy, england
- by 1539 over 1 million cases in Europe-1.5% of pop
- from central america
- from other human pathogens
3
Q
spanish flu
A
march 1918 in camp funston in kansas
- oct 1918 world wide pandemic
- 1/3 of world pop infected, 6% died
- US median life span reduced by 12 years
- flu usually comes from Asia
- birds
4
Q
AIDS
A
- 1981
- a lot died at first but as drugs came more with alive
- africa
- from non- human primates
5
Q
SARS
A
- nov 2002-july 2003
- new highly contagious pneumonia
- world wide 8000 cases and 10% case fatality rate (>50% for over 65)
- Guangdong, China
- from civets
6
Q
endemic diseases have declined
A
- changing living/social conditions
- vaccines (larger scale vs adjusted scale)
- pathogens become rare and less serious (mutations)
- clean air
- clean water
- antibiotics
7
Q
syphilis over the years
A
- 1490s-skin lesions over entire body surface, progression to bones and internal organs, death in a few weeks
- 1550s-sexually transmitted, three stages, months to progress
- 1900-endemic-years to progress, effects limited
8
Q
novel infections
A
- appear frequently
- legionnaires disease-1976
- lyme disease 76
- AIDS 1981
- TSS 1982
- Flus in 1918, 1937, 1957, 1968, 2009
- hep b 1965
- SARS 2003
- anthrax 2001
9
Q
some diseases become redefined
A
- stomach ulcers
- cervical cancer
10
Q
what else could be infectious?
A
- alzheimers
- MS
- type II diabetes
- obesity
- heart attacks, stroke
- crohns
