https://www.wykop.pl/link/4367823/polio-nie-wrocilo-do-wenezueli-to-wirus-ze-szczepionki-wywolal/
Oświadczenie PAHO (Pan American Health Organization):
"A Sabin type 3 vaccine poliovirus was isolated and typified by the national reference laboratory, the National Institute of Hygiene "Rafael Rangel" (INHRR), in the sample of this patient obtained on 30 April of 2018. "
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