WHO remains hopeful that a vaccine for COVID 19 can be developed
almost 4 years in news
Supplied video obtained Tuesday, June 30, 2020, of Dr Michael Ryan, Executive Director, WHO Health Emergencies Programme, speaking during a press briefing at WHO headquarters in Geneva, Switzerland. Mr Ryan says in the absence of a safe and effective vaccine for COVID-19 the best way to suppress the disease is by breaking the chains of transmission. (AAP VIDEO/Supplied/World Health Organisation)
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