Researchers at the University of Oxford believe they may have a breakthrough in their search for a Covid-19 vaccine after the team discovered that the jab could provide "double protection" against the deadly coronavirus following early stage human trials, according to media reports in the UK.
Blood samples taken from a group of UK volunteers given a dose of the vaccine showed that it stimulated the body to produce both antibodies and killer T-cells, a senior source from the trial was quoted by The Daily Telegraph' as saying.
The discovery is promising because separate studies have suggested that antibodies may