tokens: From 1998 to 1999 , a large number of community - acquired respiratory tract isolates of Streptococcus pneumoniae ( n = 566 ) , Haemophilus influenzae ( n = 513 ) and Moraxella catarrhalis ( n = 228 ) were collected from 15 centres in Australia , Hong Kong , Japan , China , the Philippines , Singapore , South Africa and Taiwan through the SENTRY Antimicrobial Surveillance Program .