- The survey examined 5,000 samples from blood donors - looking for antibodies specific to infection - not vaccination.
- It found, by the end of February, at least 17% of the population had recently been infected, among younger age groups that figure rose to 27%
- Another team of researchers at Queensland Health and QIMR Berghofer are trying to determine why people have widely varying immune responses to the Covid-19 vaccine and the virus itself.
Listen to the audio:
Lumalabas sa isang survey na isinagawa sa mga blood donor na mas maraming impeksyon ng COVID kaysa sa orihinal na naitala.