Researchers at the University of Pittsburgh School of Medicine in the US have reported encouraging results from initial tests of a Covid-19 vaccine candidate, PittCoVacc, delivered using a fingertip-sized patch in mice.

In the animals, the candidate was able to generate antibodies specific to SARS-CoV-2 at levels that might be enough to neutralise the virus, noted the researchers.

The findings have been detailed in eBioMedicine published by The Lancet journal.

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