海外の感染症の最新の流行状況を情報をお知らせいたします。
※出典が海外のため原文のまま掲載しています。過去の記事はこちら
2025年12月8日時点の情報
Democratic Republic of the Congo launches drive to vaccinate 62 million children and…|27 November 2025|African Region
The Democratic Republic of the Congo today launched a nationwide vaccination campaign aiming to protect around 62 million children aged 6 months to 14 years against measles and rubella, ahead of introducing the combined vaccine into the national immunization schedule. The single measles vaccine will be replaced by the combined measles-rubella (MR) vaccine in routine immunization, while the catch-up campaign will help close immunity gaps among children and adolescents for both diseases.
Democratic Republic of the Congo declares end of 16th Ebola outbreak |01 December 2025|African Region
Kinshasa—The Democratic Republic of the Congo today declared the end of the Ebola virus disease outbreak in Kasai Province, after no new cases were reported in the past 42 days since the last patient was discharged from treatment centre on 19 October 2025.
Congo hosts Africa’s first simulation exercise on antimicrobial resistance surveilla…|03 December 2025|African Region
Brazzaville—Health officials from the Republic of the Congo and World Health Organization (WHO) experts today conducted a simulation exercise on antimicrobial resistance (AMR), making the country the first in the region to host such an activity to provide practical, hands-on experience on assessing how well countries can detect, report and respond to drug-resistant infections.
Epidemiological Alert Seasonal Influenza in the Americas Region: End of the 2025 Season in the Southern Hemisphere Start of the 2025-26 Season in the Northern Hemisphere – 4 December 2025|4 Dec 2025 |Pan American Health Organization
Given the start of the season of increased circulation of influenza and other respiratory viruses in the northern hemisphere, the Pan American Health Organization/World Health Organization (PAHO/WHO) recommends that Member States adjust their preparedness and organization plans for health services in anticipation of a possible overload of the health system. PAHO/WHO recommends strengthening surveillance for influenza, respiratory syncytial virus (RSV), and SARS-CoV-2, adopting the necessary prevention and control measures against respiratory virus infections, implementing measures to ensure early diagnosis and appropriate clinical management, especially among the population at high risk of severe disease, guarantee vaccination against respiratory viruses, ensuring high vaccination coverage in high-risk groups, and carry out adequate forecasting and organization of health services to ensure strict compliance with infection control and prevention measures, adequate supply of antivirals and personal protective equipment, as well as adequate risk communication to the population and health professionals.
Broader transmission of mpox due to clade Ib MPXV |5 December 2025| Global situation
Among the 43 cases, half (22) were documented among men who have sex with men, while other cases were linked to travel to countries with known community transmission of clade Ib, or secondary to travel-related cases (household contacts and/or sexual partners).
Avian Influenza A(H5N5)|5 December 2025|United States of America
Respiratory specimens collected at the healthcare facility tested positive for influenza A virus by RT-PCR and were presumptive positive for influenza A(H5) at the University of Washington. The specimens were sent to the Washington State Public Health Laboratory, where influenza A(H5) was confirmed using the CDC influenza A(H5) assay. The sample was received at the CDC on 19 November. Sequencing conducted at the University of Washington and at the CDC indicated this was an influenza A(H5N5) virus belonging to the H5 haemagglutinin (HA) clade 2.3.4.4b[1].
Ebola virus disease|1 December 2025|Democratic Republic of the Congo
There have been five cases among health workers (four nurses and one laboratory technician), three of whom have died. The epicentres of the outbreak have been localised in Dikolo (26 cases, 15 deaths) and Bulape (24 cases, 22 deaths) health areas, which together account for 78.1% of the total cases reported and 82.2% of all deaths. The outbreak initially involved nosocomial transmission and a high-transmission funeral gathering, with high mortality among young children. As of 12 October 2025, a total of 572 contacts were followed up.