A new US study of the state prisons system found 3,300 inmates had tested positive for the coronavirus in four states. But only 4% of those infected with the virus showed any symptoms.Hat Tip to James CreighReuters reported: Four states have conducted widespread Covid testing of inmates in their state prison systems. These tests showed (i) most prisoners have already been infected with the virus and (ii) most importantly, more than 95% of those who were infected showed no symptoms. These results are even more remarkable because there are many inmates with underlying health issues and because males are dying...