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CDC Warns of Surge in Rare Meningococcal Infections in the U.S.

The infections, mainly caused by a specific bacterial strain, are disproportionately affecting adults aged 30 to 60, particularly Black individuals and those with HIV.

This 1966 microscope photo shows five colonies of Group-B Neisseria meningitidis bacteria. The CDC issued an alert Thursday to U.S. doctors about an increase in cases of one type of invasive meningococcal disease, mostly due to the serogroup Y strain of the bacteria.
illustration of yellow, semispherical bacterial cells with little tentacles
Meningococcus, Neisseria meningitidis, seen under a scanning electron microscope. (Photo by: BSIP/Universal Images Group via Getty Images)

Overview

  • The CDC has issued an urgent warning about a rise in rare meningococcal infections in the U.S., with 143 cases reported so far in 2024.
  • The infections are mainly caused by the Neisseria meningitidis serogroup Y strain, affecting adults aged 30 to 60 and disproportionately impacting Black people and those with HIV.
  • Symptoms of meningococcal disease include headache, stiff neck, vomiting, fever, nausea, and sensitivity to light, with severe cases potentially leading to death.
  • Healthcare providers are urged to increase awareness and monitoring for symptoms, and the public is advised to ensure vaccinations are up to date.
  • The CDC recommends the meningococcal vaccine for all 11- to 12-year-olds, with a booster dose at age 16, and additional doses for high-risk individuals.