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Malaysia now faces a persistent dengue fever threat, no longer seasonal, but endemic year-round. Authorities are urging medical professionals and the public to heighten vigilance, as the illness displays atypical symptoms, challenging early diagnosis. With infections often misdiagnosed due to mimicking other viruses, early detection is vital. Experts advocate for dengue prevention through prompt use of the NS1 antigen test and emphasize the critical importance of dengue vaccine to prevent severe cases, highlighting the TAK-003 vaccine’s efficacy. Stay informed on this and more with News Directory 3 for comprehensive healthcare updates. Discover what’s next in combating this rising public health concern.
Malaysia Urges vigilance Against Year-Round Dengue Threat
Updated June 16, 2025
Malaysian health authorities are reminding medical professionals and the public to maintain a high degree of suspicion for dengue, as the mosquito-borne illness increasingly presents with atypical or no symptoms. Experts emphasize that dengue fever is no longer seasonal in Malaysia but endemic,with cases reported throughout the year across all states.
The challenge lies in dengue prevention. The virus often mimics other viral infections, such as influenza.Up to 75% of infections may be asymptomatic, complicating early diagnosis. During a recent discussion, Dr. Zulkifli Ismail, chairman of Dengue Prevention Advocacy Malaysia, noted instances where patients initially suspected of having dengue were later diagnosed with influenza, and vice versa.
Dr.Koh kar Chai, past president of the Malaysian Medical Association, stressed the importance of vigilance from both doctors and patients. ”It comes with different representations, so it needs a very high degree of suspicion on the part of the medical practitioner,” Koh said. “Patients play an significant role as well. Thay should not be complacent and say it’s a normal fever.”
Zulkifli recommends early use of the NS1 antigen test. He said the test is readily available and provides results quickly. Early detection allows for timely intervention based on subsequent blood tests.
Dengue’s global reach is expanding, according to Zulkifli. The World Health Organization listed dengue as one of the top 10 threats to global health in 2019.
Dr. Zamberi Sekawi, a clinical microbiologist at Universiti Putra Malaysia, described dengue as “hyper-endemic,” with cases occurring daily. He aims to correct the misconception that outbreaks are the only time to be concerned.
Zamberi, who chairs the Dengue Vaccine Position Paper committee, advocates for dengue vaccine as a crucial tool against severe illness. He highlighted the TAK-003 vaccine, available in private clinics and hospitals in Malaysia.Studies show it has demonstrated over 80% effectiveness in preventing symptomatic dengue and over 95% effectiveness in reducing hospitalization within the first year after vaccination.
“Vaccination doesn’t just help prevent symptomatic dengue, it helps keep people out of hospitals,” Zamberi said. “Everyone aged 4 and above should seriously consider getting protected.”
What’s next
Health officials continue to encourage the public to consider vaccination to build community protection and reduce the burden of severe dengue.