Bats, viruses, immunity and Covid-19
Three things in particular I have found striking, amongst the avalanche of information circulating about Covid-19 - the "novel coronavirus" now infesting humanity. One: whenever any group does random testing of groups of people, a surprising proportion proves to be infected with the virus but has no symptoms whatever. Two: the worst of the illness caused by the virus is actually wrought by the immune system of the host victim. Three: bats are apparently the reservoir for large numbers of viruses - and are said to be the source of this one - but tend not…