Health
Health authorities turn historians to solve WA’s coronavirus transmission puzzle – WAtoday
To date, around 30 of WA’s 658 COVID-19 cases have been uncovered through serology testing, which can pick up a historical case through a blood test.
If we had a person who developed COVID-19 who hadnt been overseas, we would ask if they had had contact with family or a friend who had travelled and we could do serology testing on that person and find that they were positive, so thats very reassuring.
Dr Scalley said serology testing helped piece together the chains of transmission for a cluster within an institution in Perth.
We found two unknown source cases and the way they were spaced in time meant they couldnt have given it to each othe…
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