Taiwan Reports First Imported Case of Variant Mpox; CDC Urges At-Risk Individuals to Get Fully Vaccinated

Taiwan's CDC has announced two new Mpox cases, including the country's first imported case of the clade I Ib variant from a traveler returning from Thailand. Health officials are urging eligible individuals to complete the two-dose vaccination series for protection.
Public Health AnnouncementNQ 95/100出典:PR Times

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  • 📰 Published: May 19, 2026 at 16:39
  • 🔍 Collected: May 19, 2026 at 17:01 (22 min after Published)
  • 🤖 AI Analyzed: May 19, 2026 at 19:25 (2h 23m after Collected)
The Taiwan Centers for Disease Control (CDC) today announced two new Mpox cases, both in unvaccinated individuals. One of them, an imported case from Thailand, was confirmed through genetic sequencing to be infected with the clade I Ib substrain. This marks the first detection of this new "variant Mpox" in Taiwan. The CDC urges those eligible for the publicly-funded vaccine to get fully inoculated. Since Mpox became a notifiable disease in 2022, all other cases in Taiwan have been the clade II strain. The CDC reminds the public that completing the two-dose vaccine series provides about 90% protection against the virus.

FAQ

What new Mpox development was announced in Taiwan?

Taiwan announced its first detected case of the Mpox clade I Ib substrain, a new variant for the country, found in a person who had traveled to Thailand.

How many new Mpox cases were reported in May?

Two new cases were reported in May: one domestic case and one imported case from Thailand.

What is the significance of this new imported case?

It is the first time the clade I Ib virus strain has been identified in Taiwan since Mpox became a notifiable infectious disease in 2022; all previous cases were of the clade II strain.

What is the Taiwan CDC's primary recommendation?

The CDC strongly advises all eligible individuals, especially those with high-risk behaviors, to complete the two-dose Mpox vaccination course as soon as possible.

How effective is the Mpox vaccine according to the article?

A complete two-dose vaccination provides about 90% protection against the Mpox virus, while a single dose offers only 40% to 80% protection. The vaccine is effective against both clade I and clade II strains.