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A top US scientist has said that governments should not count on a successful vaccine against Covid-19 being developed anytime soon when deciding whether to ease restrictions imposed to curb the pandemic.
William Haseltine, a groundbreaking researcher of cancer, HIV/AIDS and human genome projects, said the better approach now is to manage the disease through careful tracing of infections and strict isolation measures whenever it starts spreading.
While a Covid-19 vaccine could be developed, he said, “I wouldn’t count on it.”
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