Our knowledge of Covid-19 changes every day. Hindsight is misleading when it comes to science | Gideon Meyerowitz-Katz

It ’s tempting to look back and say ‘if only we had known’ – but that ignores the realitiesTheresults of a Covid-19 study have been announced. Unlike most of the previous results, this study seems immediately to be a game-changer – rather than minor benefits from an expensive drug, or spurious nonsense from a dubious trial, these results show that a cheap and common medication, dexamethasone, could reduce the risk of death in people with severe disease by a substantial amount. The study was large enough to be meaningful an d its finding likely to be true.This is, without qualification, fantastic news.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Medical research Coronavirus outbreak Science Infectious diseases Health World Health Organization Epidemics Source Type: news