remdesivir, the antiviral drug used to treat US President Donald Trump, showed little or no effect on the survival rates of covid patients, a result that is in variance with the trial reports of the drugmaker.The WHO trial, which also studied the effect of hydroxychloroquine, a combination of HIV drugs lopinavir and ritonavir, as well as a combination of lopinavir and interferon, showed that none of the drugs showed any effect on the length of hospital stay or the mortality rate of those infec-ted, showed the study, which is yet to be peer-reviewed.“These remdesivir, hydroxychloroquine, lopinavir and interferon regimens appeared to have little or no effect on hospitalized covid-19, as indicated by overall mortality, initiation of.