Vaccine for Covid-19 unlikely time, say experts
Leading health experts have warned scientists may not be able to develop a vaccine against the coronavirus disease (Covid-19) at all and pointed that it has happened before in case of HIV and dengue among others, a report has said.
More than 100 vaccines are currently under pre-clinical trials and a couple of those have entered the human trial stage—at Oxford University in England made from a chimpanzee virus and in the US for a different vaccine produced by Moderna.
“There are some viruses that we still do not have vaccines against,” Dr David Nabarro, a professor of global health at Imperial College London, was quoted as saying by CNN on Sunday.
“We can’t make an absolute assumption that a vaccine will appear at all, or if it does appear, whether it will pass all the tests o...