The World Health Organization’s (WHO) chief said on Tuesday it hopes to have a COVID-19 vaccine by
Source: WHO: Pfizer COVID-19 vaccine “very promising” but has cold chain issues | Al Arabiya English
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The World Health Organization’s (WHO) chief said on Tuesday it hopes to have a COVID-19 vaccine by
Source: WHO: Pfizer COVID-19 vaccine “very promising” but has cold chain issues | Al Arabiya English