Authorities have to "consider ways to solve the issue that efficacy rates of existing vaccines are not high", Chinese media outlet The Paper reported, citing Gao Fu, the head of the Center for Disease Control and Prevention.
from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/3mGubfx
from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/3mGubfx
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