After more than a year of rapidly emerging Covid variants, the lack of any new concerning variants is leading experts to become increasingly confident Australia could be facing a more normal spring without the threat of another major outbreak.
Leading infectious disease modellers and epidemiologists are hopeful the lack of emerging variants means Australia is facing its first spring since the pandemic began without a threatening wave of new COVID-19 infection.
The studies have found RATs had an overall sensitivity of about 65 per cent, with 80 to 90 per cent sensitivity against more infectious individuals and about 40 per cent for asymptomatic people.But because many RAT providers were opportunistic and not from the healthcare sector, they would struggle to provide new data the TGA is requiring, such as clinical studies and inactivated or live virus studies.
The winter wave has been fuelled mostly by the BA.5 omicron subvariant, which has taken over from the summer and autumn BA.1 and BA.2 variants.which has been prevalent in some regions of India, would take over have not been borne out. “So we are optimistic that as we get through the wave, apart from BA.2.75, we haven’t heard of another BA seven or eight in the pipeline, and it takes in a couple of months to sort of spread.
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