日本健康安全研究所によると、4月12日時点の今年の麻疹患者数は299人に上り、2025年通年の265人をすでに超えた。東京で108人、神奈川県で31人などの地域で患者が発生している。保健当局はワクチン接種を推奨し、症状が出たら医療機関に電話で相談するよう呼びかけている。
日本健康安全研究所は4月22日、今年の麻疹患者数が4月12日時点で299人に達したと発表した。この数字は2025年通年の265人を上回っており、4月12日までの1週間だけでも過去最多の56人が確認された。
患者の内訳では、東京が108人で最多、次いで神奈川県31人、鹿児島県28人、千葉県と愛知県が各23人だった。麻疹は空気感染する高い感染力を持つ疾患で、ワクチン接種が最も効果的な予防策とされる。
感染者の74％はワクチン接種が1回のみ、未接種、または接種歴不明だった。 measlesワクチンは1歳時と就学前年齢で公費負担で2回接種可能だ。厚生労働省の担当者は「高熱や発疹などの症状があれば、電話などで医療機関に相談し、公共交通機関の利用を控えてください」と述べた。
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Mexico City's Health Secretariat confirmed the death of a 14-month-old baby from measles, which occurred in December 2025 and was validated on February 10, 2026. This is the first death from the disease in the capital amid a national outbreak totaling 28 deaths. Authorities are intensifying vaccination campaigns to curb infections.
A man in his 20s from Tokyo, confirmed infected with measles, visited three udon restaurants in Kagawa Prefecture on February 12. The Kagawa prefectural government announced that he may have come into contact with an unspecified number of people during his stay. He drove his own car from Tokyo to Kagawa and did not use public transportation.
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Recent measles cases in Mexico have sparked concern and humor on social media, with memes about vaccination records. Experts attribute the resurgence to declining vaccination rates since 2019, leading to the loss of herd immunity. The government provides free vaccines for vulnerable groups.
Preliminary data from Japan's health ministry shows that 705,809 babies were born in 2025, marking the lowest level since records began in 1899. This represents a 2.1% decline from the previous year, extending the drop for the 10th consecutive year. Despite government efforts to reverse the trend, the number is approaching 700,000 sooner than projected in a 2023 forecast.
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The Department of Health has recorded 14,907 dengue cases as of February 14, which is 70 percent lower than the same period last year. Officials credit the decline to stronger prevention measures, early consultation, surveillance, and clinical management. They remind the public to stay vigilant as cases could rise.
The meningitis outbreak in Canterbury, Kent, UK, has escalated with 29 infections and two deaths, prompting mass vaccinations and antibiotics distribution. Authorities warn of possible spread beyond Kent, while Swedish experts advise vigilance.