Full coronavirus vaccine unlikely by next year: expert

There is little chance of a 100-percent effective coronavirus vaccine by 2021, a French expert warned Sunday, urging people to take social distancing measures more seriously."A vaccine is several years in development," said epidemiologist Arnaud Fontanet, a member of the team of scientists advising the government on the crisis, speaking on BFMTV television."Of course, there is an unprecedented effort to develop a vaccine, but I would be very surprised if we had that was effective in 2021," he ad