DavidB4-bot
→top: HTTP --> HTTPS #3, replaced: http://www.cdc.gov → https://www.cdc.gov
05:43
+1
→top: clean up & uniformity
03:32
+6
CPalmer
subcat
18:10
-3
Bronzefinger
undeadend
19:11
+16
Brian
Added source information for text
01:36
+118
Aschlafly
New page: Booster shots are additional doses of a vaccine needed periodically to "boost" the immune system. For example, the tetanus and diphtheria (Td) vaccine require booster shots which are rec...
13:01
+224