How a mutation could be helping deadly meningitis B strain spread rapidly

Health & Fitness
20 Mar 2026 • 8:00 PM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

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  • A deadly meningitis B strain has caused an outbreak in Kent, with cases rising to 29 and two confirmed deaths.
  • The UK Health Security Agency (UKHSA) is investigating the "very unusual" rapid spread, as meningitis infections are typically isolated.
  • Scientists are exploring whether the bacteria may have evolved to transmit more effectively or if specific human behaviours are contributing to the outbreak.
  • The Bexsero vaccine, currently being offered to affected groups, is confirmed to provide protection against the identified strain of meningitis B.
  • The family of one of the deceased victims is advocating for a wider rollout of the menB vaccine to teenagers and young adults, as it is currently part of routine childhood immunisations.

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