DavidB4-bot
→top: HTTP --> HTTPS #3, replaced: http://www.cdc.gov → https://www.cdc.gov
19:10
+1
→References: Spelling/Grammar Check & Cleanup
17:03
Hsmom
Attribution.
02:45
+101
Passages quoted word-for-word from another source should be indicated as such by the use of quotation marks around the quoted material.
04:20
+4
Brian
Added source information for text
02:19
+95
HenryS
cat.
23:18
+29
Aschlafly
New page: Pertussis, also known as "whooping cough," is bacterial infectious disease marked by a convulsive spasmodic cough, sometimes followed by a crowing intake of breath.
01:32
+168