Page 120 - ANUAL REPORT MOH 2017

Figure 20
Malaysia SARI Admission Rate (%) by Epid Week, 2017

Source: Disease Surveillance Sector, Disease Control Division

In 2017, a total of 3,414 laboratory samples for ILI surveillance were received by National Public Health
Laboratory (NPHL) Sungai Buloh from the ILI sentinel sites nationwide for further analysis; of these,
16.0 per cent samples tested positive. Influenza A virus was the most dominantly isolated virus with
55.3 per cent positive isolates, followed by influenza B virus with 25.6 per cent isolates and Adeno
virus with 7.5 per cent isolates. For SARI, the Institute for Medical Research (IMR) received a total of
1,175 samples from the SARI sentinel sites nationwide for testing. Of these, 39.1 per cent samples
tested positive. The distribution of the results obtained were Adenovirus with 35.9 per cent samples,
influenza A with 25.4 per cent samples, respiratory syncytial virus (RSV) with 12.4 percent samples,
influenza B with 12.2 per cent samples, co-infection with 10.9 per cent samples, others with 2.2 per
cent samples and parainfluenza virus with 1.3 per cent samples. Both the National Public Health
Laboratory (NPHL) Sungai Buloh and Institute of Medical Research (IMR) received a total of 4,589
influenza samples for testing in 2017, out of which 14.2 per cent samples tested positive for influenza.
Influenza A was predominantly tested positive with 67.8 per cent samples followed by influenza B with
32.2 per cent samples.

There were total of 99 respiratory associated outbreaks/clusters reported nationwide for year 2017. The
highest number of clusters occurred at boarding school (30.3 per cent) followed by household (14.1
per cent) and primary school (13.1 per cent). For the respiratory cluster sample analysis, influenza A
(58.6 per cent) was the most dominantly distributed followed by Influenza B (22.2 per cent), whereas
15 clusters (15.2 per cent) are negative for influenza.

• Middle East Respiratory Syndrome (MERS) Infection
For the year 2017, there had been a total of 1,382 notified persons under investigation (PUI) for
MERS-CoV. All the 1,382 notifications tested negative for MERS-CoV. There were more females (723
individuals; 52.3 per cent) notified as PUI MERS-CoV compared to males (576 individuals; 41.7 per cent).

MINISTRY OF HEALTH MALAYSIA ANNUAL REPORT 2017 119