The FDA and CDC have recommended pausing the use of the Ixchiq vaccine for chikungunya in adults over 60 due to fatal complications. The vaccine, approved for those aged 18 and older, has caused serious adverse events, including deaths, in older adults.
Key Points
FDA and CDC recommend pausing the use of Ixchiq vaccine in adults over 60
Ixchiq vaccine contains live, weakened version of chikungunya virus
Chikungunya symptoms include fever, severe joint pain, headache, muscle pain, and rash
Chikungunya is spread by infected mosquitoes and considered an emerging global health threat
Cons
Serious adverse events reported in older adults
Deaths from severe complications observed in some cases