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6 things to know about India’s first dengue vaccine

India's first dengue vaccine marks a significant public health milestone. Here are six key facts about its development, effectiveness, eligibility, rollout and future impact.

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Written By: N. Lothungbeni Humtsoe | Published : July 25, 2026, 4:10 PM

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First Dengue Vaccine

India has approved the country's first dengue vaccine offering fresh hope against a disease that affects thousands of people every year particularly during monsoons. Although it is a breakthrough vaccine experts emphasize that it isn't for everyone which is why it should only be administered as recommended. Let's look at six points to consider:

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Who Can Take The Vaccine

India's first dengue vaccine TAK-003 also known as Qdenga has been approved for individuals aged between 4 and 60 years. Physicians advise consulting a medical practitioner before vaccination particularly for those with compromised immune systems, pregnant women and people who have medical issues. Also Read - Brazil Approves First Single Dose Dengue Vaccine As Global Cases Hit Record High

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It Is Given In Two Doses

This vaccine is given in two doses at 3-month intervals for maximum protection against dengue infection. The second dose may reduce the overall effectiveness of the vaccine.

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It Protects Against All Four Dengue Virus Types

Dengue is caused by four different virus serotypes namely DENV-1, DENV-2, DENV-3 and DENV-4. Qdenga is intended to offer immunity against all four types of virus to reduce the risk of severe dengue and hospitalisation due to dengue. Also Read - Phase 3 Clinical Trials Begin For First-Ever Indigenous Dengue Vaccine

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What Are The Possible Side Effects

There is a possibility that India's first dengue vaccine could cause mild side effects similar to any other drug. Some of the frequent side effects include pain, redness, headaches, tiredness, muscle pain and mild fever. These symptoms typically clear up within 2 to 3 days. Additionally serious side effects are rare but if they occur they need to be treated right away.

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You Do Not Need To Have Had Dengue Before

Qdenga is a vaccine that can be administered without having a history of prior dengue infection. This makes it appropriate to apply to a broader eligible population without the need for blood tests beforehand. Also Read - WHO Grants Prequalification to Newly Developed Dengue Vaccine

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The Vaccine Does Not Replace Mosquito Protection

Experts say vaccination is just one defence so people should continue to use mosquito repellents, wear full-sleeved clothing, install window screens and remove stagnant water around their homes. These preventive measures are still very important for decreasing the transmission of dengue. India's first dengue vaccine towards is a major step for combating the dengue burden with the first vaccine. However it is important to understand who needs it, the dosing schedule, side effects and ongoing requirements for mosquito control to maximise its impact as a medical breakthrough. Disclaimer: This article is for informational purposes only and should not replace medical advice. Always consult a qualified healthcare professional for vaccine eligibility and recommendations.