Ed Poor
Salk developed a vaccine
16:49
+237
DavidB4-bot
Spelling/Grammar Check, typos fixed: commonly know as → commonly known as, 1950's → 1950s
14:20
→‎See also: clean up & uniformity
17:39
→‎Eradication: The eradication of polio in India has largely been a Western enterprise.
17:23
+172
Child being vaccinated in Afghanistan
17:09
+157
NathanG
bold
03:46
+10
Joaquín Martínez
no edit summary
16:55
+62
Panda95
Links
19:41
+38
Aziraphale
categorize
21:52
+23
Fairandbalanced
changed formatting
17:44
-8
Palmd001
expanded from stub
20:24
-329
20:15
+1,251
The vip
01:17
+323