Coronavirus: Africa will not be testing ground for vaccine, says WHO  “Africa can’t and won’t be a testing ground for any vaccine,” said Director General Dr Tedros Adhanom Ghebreyesus. जेनेवा, 8 अप्रैल 2020 : विश्व स्वास्थ्य संगठन (डब्ल्यूएचओ) के महानिदेशक ट्रेडोस अदनोम घेब्रेयसस (World Health Organization (WHO) Director General Tedros Adhanom Ghebreyesus) ने साफ कहा

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