Tag: poliomyelitis
Guyana introduces bivalent oral vaccine, among 36 countries
(July 7, 2016- Georgetown)- Guyana has been listed amongĀ the 36 countries of the Region of the Americas to ... Read More
(July 7, 2016- Georgetown)- Guyana has been listed amongĀ the 36 countries of the Region of the Americas to ... Read More