A brand new examine out of Hema-Quebec and the Ministry of Well being has discovered that multiple in 4 Quebec adults developed antibodies to COVID-19 between the start of the 12 months and mid-March.
The Quebec blood company explains that to acquire the outcomes of this fourth part of the examine, analyses have been carried out utilizing a check that identifies antibodies current solely in individuals who have been lately contaminated with the coronavirus. The method developed by the researchers consists of evaluating the extent of antibodies in the identical particular person, on two samples spaced in time.
Hema-Québec stated that, because of the Omicron variant wave, a pattern collected earlier than the arrival of the variant and one other collected because the starting of 2022 have been required for a similar particular person.
Exams carried out on donors registered in a plasma pattern financial institution have established that 27.8 per cent of the Quebec inhabitants contracted COVID-19 between the top of 2021 and March 2022.
Hema-Québec stories that the elevated presence of COVID-19 within the inhabitants has an influence on its each day blood and plasma assortment actions. Because the finish of March, the group has had problem reaching its weekly aims attributable to cancellations of appointments by contaminated people, regardless that the wants stay the identical.
Because of this, the group is interesting to succeed in the variety of donations wanted.
Dr. Gaston DeSerres, head doctor on the Immunization Unit of the Quebec Institute of Public Well being (INSPQ), factors out that seroprevalence research, such because the one carried out by Hema-Québec, are very helpful to public well being authorities in monitoring the evolution of the pandemic and are important for validating fashions used to foretell its evolution.
-- This report by The Canadian Press was first revealed in French on Could 9, 2022.
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