BBC: Covid vaccine: Rumours thrive amid trickle of pandemic facts. “With a number of potential vaccines for Covid-19 now imminent, there are increasing concerns that misinformation online could turn some people against being immunized. The World Health Organization (WHO) says the world’s not only fighting the pandemic, but also what it calls an ‘infodemic’ – where an overload of information, some of it false, makes it difficult for people to make decisions about their health.”