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One-shot chikungunya vaccine

Facts for Prelims (FFP)

Source: IE

 Context: According to the first phase 3 trial of the preventive published in The Lancet journal – a single-dose vaccine (VLA1553 vaccine) for chikungunya was found safe and produced a strong immune response against the viral disease.


About Chikungunya:

  • The mosquito-borne disease is caused by the chikungunya virus (CHIKV), which is endemic in some regions of Africa, Asia, and the Americas.
  • Chikungunya causes symptoms such as fever, headaches, fatigue, and severe muscle and joint pain and there are no approved vaccines or antiviral treatments available.