Categories twitter twitter-es twitter-pt RT @GHS: In 1994, @PAHOWHO led the charge to #EndPolio by becoming the first WHO region in the 🌍 toadmin - 16:26, 24 de octubre de 2019464 0 RT @GHS: In 1994, @PAHOWHO led the charge to #EndPolio by becoming the first WHO region in the 🌍 to be certified wild polio-free. Since the… 0