Category: Australasia

Australasian Coronavirus News

UK.GOV: Vaccine booster doses wane after just 10 weeks

“The latest data suggests this extra protection starts to wane more rapidly, being about 15 to 25% lower from 10 weeks after the booster dose.”  More...

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Vaccines: Pfizer CEO says fourth dose of vaccine may be needed sooner than expected

Pfizer CEO Albert Bourla said Wednesday that people might need a fourth Covid-19 shot sooner than expected after preliminary research shows the new Omicron variant can undermine protective antibodies generated by the vaccine the company developed with BioNTech.  More...

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FFP2 masks more effective at preventing Covid infection than vaccines

Max Planck: “When both wear a surgical mask, while the infectious is speaking, the very conservative upper bound remains below 30% after 1h, but, when both wear a well-fitting FFP2 mask, it is 0.4%”

We find, for a typical SARS-CoV-2 viral load and infectious dose, that social distancing alone, even at 3m between two speaking individuals, leads to an upper bound of 90% for risk of infection after a few minutes.  More...

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