The number of people with suspected flu has been at  epidemic, or near-epidemic levels for the past 6 weeks. A high of 18,420 people sought treatment for flu like illness at government health polyclinics last week (week of 17 May 2010), or 4,000 more patients a  week than the norm for this time of the year.

Many of the flu cases involve the pandemic A (H1N1) strain. According to the Ministry  of Health, 29 percent of patients in Singapore with flu-like  symptoms last week (week of 17 May 2010) had pandemic influenza A/H1N1 virus infection.

Also worrying is the higher number of patients turning up with  pneumonia, a more severe form of upper respiratory tract infection.  

Source: ProMED

Comment
According to the WHO Pandemic (H1N1) 2009 - update 101, the  most active areas of pandemic influenza virus transmission are in  parts of South and Southeast Asia, particularly in Bangladesh, 
Malaysia, and Singapore.