Meningococcal Disease

3 articles published between June 26, 2025 and September 2, 2026.

ANALYSIS

Meningococcal cases tracked Umrah as pilgrim vaccination compliance fell to 54%

WHO recorded serogroup W135 disease in pilgrims returning from Saudi Arabia in early 2025. A modelling study estimates high vaccination coverage would cut expected cases by more than 80%.

3 min read

WHAT THE STUDY ACTUALLY SAYS

Five-strain meningitis vaccine was 92% effective in a Niger outbreak, study finds

A case-control study by MSF's Epicentre and WHO put NmCV-5's adjusted effectiveness at 92% against meningococcal meningitis after 2024 campaigns in Niger — on a small sample of 17 confirmed cases.

3 min read

ANALYSIS

The June vaccine advisory agenda was cut in half two days before the meeting

A Federal Register notice on 9 June listed eleven vaccine topics and ten scheduled votes over three days. An amended notice on 24 June listed seven topics, three votes and two days.

4 min read

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