On 24th April 2009 the World Health Organisation (WHO) announced Pandemic Influenza A (H1N1) alert phase 4 which was later raised to phase 6 on 11th June 2009. By 11th October 2009, 199 countries were affected with 399,232 laboratory confirmed cases resulting in 4735 death. In Pahang, the state and district operation rooms were activated on the 28th April and 5th May 2009 respectively to monitor surveillance, control and preventives measures carried out. This study was done to describe the situation of Pandemic Influenza A (H1N1) in Pahang from 28th April 2009 till 10th October 2009 in terms of laboratory confirmed cases and clusters reported, Influenza-Like Illness (ILI) surveillance, Severe Acute Respiratory Infection (sARI) surveillance and health education activities. During the period, 490 laboratory confirmed Influenza A (H1N1) cases were registered with 5 deaths. The age ranges from less than 1 year to 76 years with median of 16 years old. 207 ILI clusters were recorded, 139 (67.5%) were Influenza A (H1N1) clusters. For surveillance activity, 11,570 (2.2%) of outpatient attendances were ILI cases while 966 (2.0 %) of total admissions were sARI cases. There were 14,927 health education activities carried out during the period. The number of people affected by Pandemic Influenza A (H1N1) in Pahang reached its peak in mid August 2009 and later showed a downward trend. ILI surveillance was a useful tool to detect Influenza A (H1N1) activity in Pahang.
Study site: Klinik kesihatan, outpatient clinics, hospitals, Pahang, Malaysia