Pfizer COVID-19 Vaccine “Very Promising” But Has Cold Chain Issues: WHO

The World Health Organization’s (WHO) chief said on Tuesday it hopes to have a COVID-19 vaccine by year-end and that Pfizer’s experimental remedy is “a very promising one”, with more expected.
The World Health Organization’s (WHO) chief said on Tuesday it hopes to have a COVID-19 vaccine by year-end and that Pfizer’s experimental remedy is “a very promising one”, with more expected.Read MoreWorldNDTV News – Special

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