Rising Tuberculosis Clusters in Malaysia: A Public Health Concern

As of February 7, 2026, Malaysia has identified 10 active tuberculosis (TB) clusters across seven states, raising significant public health concerns. Health Minister Datuk Seri Dr. Dzulkefly Ahmad reported that Johor has the highest number of cases, with a single cluster involving 37 confirmed infections, including 29 children and eight adults. Other states reporting clusters include Selangor, Kedah, Kelantan, Pahang, Perlis, and Sabah, with Selangor alone accounting for four clusters involving 10 cases.

South China Morning PostSelangor Tops TB Cluster List As Malaysia Records 10 New Active Clusters This YearMalaysia Detects 10 New Tuberculosis Clusters Across Seven StatesThe Straits Times

Tuberculosis, caused by the bacterium Mycobacterium tuberculosis, is an airborne infectious disease primarily affecting the lungs but capable of impacting other organs. The World Health Organization (WHO) has expressed concerns that Malaysia's TB cases may be under-reported, estimating an incidence rate of approximately 110 cases per 100,000 people, compared to the reported rate of 70 per 100,000.

The Straits Times

In response to the rising clusters, the Health Ministry has intensified monitoring and contact tracing efforts. Dr. Dzulkefly emphasized the importance of early detection and treatment, stating that all identified patients are currently receiving medical care. Screening protocols are in place for high-risk institutions such as boarding schools and prisons, following the Tuberculosis Information System Manual (TBIS 2018). This includes symptom checks, clinical examinations, chest X-rays, and sputum tests.

Selangor records highest number of TB clusters

Despite the Health Ministry's efforts, some experts warn that the situation reflects a broader issue of under-reporting and inadequate public health responses. Venu Gopalan, a Kuala Lumpur-based doctor, described TB as a "slow-burn epidemic," highlighting a steady rise in cases over the past decade. Critics argue that more proactive measures are needed to address the underlying factors contributing to the spread of TB.

Malaysia Detects 10 New Tuberculosis Clusters Across Seven States

While the Health Ministry has reported 10 active clusters, discrepancies exist regarding the total number of cases and the effectiveness of current monitoring strategies. Some sources suggest that the actual number of infections could be significantly higher than reported, indicating potential gaps in data collection and public health surveillance.

Malaysia Detects 10 New Tuberculosis Clusters Across Seven States

• “I would describe TB as what we call a slow-burn epidemic,” — Venu Gopalan, Doctor

South China Morning Post

• “ On the Kota Tinggi, Johor cluster, the Health Minister said it should serve as a wake-up call for the whole country.” — Datuk Seri Dr. Dzulkefly Ahmad, Health Minister

The Straits Times

• “The detection of new tuberculosis clusters underscores the importance of proactive public health surveillance and community cooperation.” — Health Ministry Statement

Malaysia Detects 10 New Tuberculosis Clusters Across Seven States

The Health Ministry continues to monitor the situation closely, with plans to enhance detection and treatment efforts. Public health officials are urging communities to remain vigilant and seek medical attention promptly if symptoms arise, particularly after close contact with confirmed cases. The ongoing situation serves as a critical reminder of the need for robust health systems to manage infectious diseases effectively.

Malaysia Detects 10 New Tuberculosis Clusters Across Seven States