Researchers are making “good progress” in developing vaccines against Covid-19, with a handful in late-stage trials, but their first use cannot be expected until early 2021, a World Health Organization (WHO) expert said on Wednesday.from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/2ZPqcDM
Don't expect first Covid-19 vaccinations until early 2021: WHO's Ryan
![Don't expect first Covid-19 vaccinations until early 2021: WHO's Ryan]()
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