Syd lecture about disease Flashcards
what percent of Europe’s total population was killed by black plaque
30-60%
What was the black plaque caused by
Yersinia pestus
How was black plaque carried (what animal)
Spread by fleas from rats
How many countries and territories are affected by COVID
222
1892 New York measles epidemic caused mortality in what percent of toddlers
50%
major cause of morbidity and mortality before immunizations and antibiotics
infectious disease
when was smallpox globally eradicated
1977
inoculation of smallpox was discovered by who
Edward Jenner
prior to immunizations, what percent of smallpox cases ended in death
30%
Edward Jenner first tested his idea of inoculation from what sore
a cowpox sore
when did the last US wild smallpox case occur
1949
what disease was associated with the iron lung ward
polio
do we currently have polio cases
yes - mostly in Africa
Most of measles cases occurred in
unvaccinated people
3 days measles refers to what disease
Rubella