台灣首見變種M痘境外移入 疾管署籲有風險者快打滿疫苗

疾管署公布新增2例M痘病例，其中1例自泰國移入的病例，經基因分型鑑定確認為台灣首見的M痘病毒第I分支Ib亞型。疾管署呼籲符合公費疫苗資格的風險族群，應盡速完成兩劑疫苗接種。
Public Health AnnouncementNQ 95/100出典：PR Times

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  • 📰 發表: 2026年5月19日 16:39
  • 🔍 收集: 2026年5月19日 17:01（發表後22分鐘）
  • 🤖 AI分析完成: 2026年5月19日 19:25（收集後2小時23分鐘）
疾病管制署今日公布新增2例M痘病例，皆未接種疫苗。其中1例為北部20多歲男性，自泰國返國後確診，經基因分型鑑定確認感染M痘病毒第I分支Ib亞型，此為台灣自2022年將M痘列為法定傳染病以來，首次檢出此病毒株。另一例為本土病例。疾管署表示，今年累計的病例中，近九成未接種M痘疫苗，並強調完成兩劑疫苗接種對M痘病毒具九成保護力，能有效預防第I及第II分支病毒株感染，呼籲符合條件的民眾盡速接種。

常見問題

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.

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