Gilead Sciences Inc has questioned the findings of a World Health Organization (WHO) study that concluded its Covid-19 drug remdesivir does not help patients who have been admitted to hospital.The American company said the data appeared inconsistent, the findings were premature and that other studies had validated the drug’s benefits.In a blow to one of the few drugs being used to treat people with Covid-19, the WHO said on Thursday its “Solidarity” trial had concluded that remdesivir appeared…