DavidB4-bot
→top: HTTP --> HTTPS #3, replaced: http://www.cdc.gov → https://www.cdc.gov
11:38
+1
Ed Poor
Reverted edits by WPoe (talk) to last revision by CGoodwin
20:07
-384
WPoe
Added references and links
19:34
+384
CGoodwin
good is a vague word.
17:00
+6
HelpJazz
bold subject
00:20
Samwell
und
19:29
+4
Brian
Added source information for text
01:57
+118
Aschlafly
New page: An efficacy rate is a measure used to describe how good a treatment is at preventing disease.
13:19
+93