Hong Kong has confirmed its second locally acquired chikungunya fever infection, with the patient’s viral sample found to match that of the first domestic case. The Centre for Health Protection said on Friday that it had classified it as locally acquired after genome analysis found that the female patient, 55, shared the same source of infection as the first case, an 82-year-old woman who lives in Fung Tak Estate in Diamond Hill. “Based on the epidemiological information for both patients,...