Anti-Polio Second Stage in Cuba

3 Havana, Apr 23  -. -The second stage of the 49th National Vaccination Campaign against poliomyelitis is starting on Friday in Cuba, which should immunize more than 500,000 children against that disease, once it has been concluded. In this stage, some 362,525 under three-year-old toddlers will receive a second oral dose (two drops), while 143,080 nine-year-old children will have the

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