
Evidence of past infection was detected in 46% of samples, compared with 17% in February
Almost 50% of Australians had been infected with Covid as of mid-June, blood survey shows | Coronavirus | The Guardian

Evidence of past infection was detected in 46% of samples, compared with 17% in February
Almost 50% of Australians had been infected with Covid as of mid-June, blood survey shows | Coronavirus | The Guardian
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