Queensland aged care worker claims she received wrong second COVID vaccine

An Ipswich aged care worker has allegedly received the wrong second dose of the COVID-19 vaccine.

The worker, who lives in Goodna, claims she received the Pfizer vaccine for her first injection but was given the AstraZeneca vaccine in her second injection today.

The woman only realised the mix-up when she was given a pamphlet after the second injection.

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Health workers at the clinic kept the woman under observation for an hour, checking her blood pressure twice and sending her home with an ice pack for a headache.

The clinic told her to go home, watch for symptoms and call an ambulance if she has an adverse reaction.

UK scientists are investigating whether different vaccines can be safely mixed in this manner.

Participants in a 13-month study were deliberately given a mix of the same two vaccines as the Queensland health care worker, in different combinations and at different intervals.

Scientists involved in the study spoke about creating greater flexibility but UK infectious diseases expert Professor Paul Hunter said the woman could even end up with greater protection than if she'd received two doses of the same vaccine and the chance of additional side effects was low.

The clinic declined to comment and a 9News reporter was ushered out of the building.