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California Confirms Three Local Clade I Mpox Cases, Signaling Possible Community Spread

Health officials urge at-risk residents to complete the two-dose vaccine series due to clade I’s greater severity.

Overview

  • State health authorities reported three clade I mpox infections in Long Beach and Los Angeles County with no recent international travel, indicating likely person-to-person transmission.
  • All three patients were hospitalized and are now recovering, and the California Department of Public Health says the overall risk to the public remains low.
  • Officials advise at-risk individuals to receive both doses of the Jynneos vaccine and recommend that exposed persons get vaccinated before symptoms and avoid intimate contact for 21 days.
  • Clade I is associated with more severe illness, particularly for people with weakened immune systems, and health agencies urge testing and home isolation until rashes fully heal.
  • Separate reporting highlights Australia’s sharply lower 2025 caseload compared with 2024, attributed to targeted vaccination and behavior change, while a conservative watchdog in the U.S. calls for more blunt, venue-specific messaging.