The global rush for a coronavirus vaccine could make the pandemic even worse, say leading experts. The race is on to immunise the world against Covid-19, which has already killed over 850,000 people, but scientists have warned politicians and commercial companies to be cautious.
Without comprehensive results showing at least 30-50% effectiveness, vaccines risk doing more harm than good, they claim. On Friday, ministers unveiled a raft of measures designed to fast track the roll-out of any potential coronavirus vaccine in the UK.
The temporary law change could see any vaccine given a green light to be dished out to Brits without going through the usual product approval system.