Nearly 10,000 Covid-19 patients have received oral antivirals since they were introduced in Hong Kong two weeks ago as a way to reduce deaths and cases with severe symptoms, according to health authorities.Hospital Authority Chief Manager Dr Lau Ka-hin said public health facilities had administered Merck’s molnupiravir to 8,500 patients so far. About 1,000 others had received Pfizer’s Paxlovid since it was made locally available last Wednesday.Addressing concerns that the current guidelines…