Gerontology & Geriatrics

Vaccine effective for elderly in Brazil facing COVID-19 Gamma variant

The AstraZeneca vaccine, which is being widely used in Brazil and elsewhere in response to an epidemic wave of the SARS-CoV-2 Gamma variant, affords significant protection to the elderly when the vaccine's full two-dose schedule ...

Vaccination

With so few virus deaths, Australians debate vaccine risks

Australia has weathered the pandemic far better than many nations—recording just a single coronavirus death since last October—but its success means many Australians are not in a rush to get vaccinated and that could ...

Vaccination

Delayed doses of AstraZeneca jab boost immunity: study

Delayed second and third doses of the AstraZeneca vaccine boost immunity against COVID-19, a study by Oxford University, which developed the jab with the British-Swedish firm, said on Monday.

Diseases, Conditions, Syndromes

Second AstraZeneca almost doubles protection against Delta variant

The weekend's news of COVID-19 outbreaks and various lockdowns around Australia reminds us there's no room for complacency. We need to accelerate Australia's COVID-19 vaccine roll-out and ensure people are fully vaccinated ...

Vaccination

EMA official suggests ditching AstraZeneca jab

A top official in the European Medicines Agency said it might be worth abandoning AstraZeneca's coronavirus vaccine for all age groups where alternatives are available, in an interview published Sunday.

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