Few Canadian blood donors had coronavirus antibodies as of May: study

published 08.09.2020 17:04

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Although Quebec wasn’t included in the study, another recent seroprevalence study by Hema-Quebec found that 2.23 per cent of Quebec blood donors were infected with the virus that causes COVID-19.

“Global data suggest that population-wide infection rates estimated from SARS-CoV-2 antibodies are about 50 per cent higher than those measured in blood donor samples,” he said in the report.

That’s according to a collaborative study by Canadian Blood Services and Canada’s COVID-19 Immunity Task Force (CITF), which analyzed 37,373 blood samples collected from nine provinces, excluding Quebec and the territories, between May 9 and June 18.

TORONTO -- Less than one per cent of Canadian blood donors have tested positive for SARS-CoV-2 antibodies, which are present in those who have had coronavirus, suggesting there has been low exposure to the virus.

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