Brazil's suspension of its Butantan-DV vaccine after two deaths raises critical safety questions for India's similar DengiAll vaccine, highlighting the persistent risk of Antibody-Dependent Enhancement (ADE) in live-attenuated dengue vaccines. This news is crucial for understanding the complex immunology and stringent pharmacovigilance required for new vaccine rollouts.
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- ›Vaccine Suspension Date: June 8, 2026
- ›Severe Adverse Events (Brazil): 42 cases
- ›Target this Data: 42 severe adverse events in Brazil's campaign (0.008% of 500,000 vaccinated).
- ›Target this Nodal Body: Indian Council of Medical Research (ICMR) collaborating on DengiAll Phase 3 trials.
- ›Target this Scientific Concept: Antibody-Dependent Enhancement (ADE) as the potential cause of severe events.
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