Cases.
900
SMALLPOX
1988.
800
700
600
500
400
300
200
100
Jan Feb Mar. Apr May June July Aug Sept Oct Nov Dec.
Page 405
Page 406
Cases.
900
SMALLPOX
1988.
800
700
600
500
400
300
200
100
Jan Feb Mar. Apr May June July Aug Sept Oct Nov Dec.
Page 405
Page 406