Event Brief
May 15, 2026 at 6:04 PM ET
Diphtheria returns in Australia as immunity falls
By The BriefBrief
Health authorities say falling immunity may be helping diphtheria spread again in Australia.
WHO: Health authorities
WHAT: Authorities warn that diphtheria is spreading again as immunity declines.
WHEN: May 15, 2026 at 5:02 PM ET
WHERE: Australia
WHY: Falling immunity is helping diphtheria spread again.
Reporting from 1 identified publisher for this event.
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How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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