Medical organisations and politicians in Hong Kong, Macau and other parts of Asia have issued a joint appeal to take preventive steps against the spread of influenza across the continent, with a local expert calling on residents to get vaccinated early. Dr Mike Kwan Yat-wah, president of the Asian Society for Paediatric Infectious Diseases, said on Sunday that influenza was spreading not only in Hong Kong, but in countries such as Japan, South Korea, Indonesia and Singapore. “After the Covid-19...