感染症情報

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2024年4月10日時点の情報

Yellow fever |20 March 2024| African Region (AFRO)
Preliminary data for 2023 indicate a case fatality rate (CFR) of 11% and a sex ratio of 1.7 (M: F). The median age of cases is 25 years, with two-thirds (69%) of cases aged over 15 years. Suboptimal surveillance capacity exists in many affected countries, with data fragmentation, limited integration with routine surveillance and clinical systems, and a lack of standardized case definitions that contribute to underreporting and increased mortality rates.

Psittacosis |5 March 2024| European region
In Austria, 14 confirmed cases of psittacosis were reported from five of the nine federal states in 2023, compared to the median of two cases (range: 1-4) per year in the previous eight years. In 2024, there have been four cases of psittacosis reported as of 4 March 2024, with the earliest onset date of 24 January 2024. None of these unrelated cases notified in 2023 or 2024 have reported travel abroad and wild birds have not been mentioned as a source of infection.

Nipah virus infection|27 February 2024|Bangladesh
First case confirmed on 21 January 2024

Avian Influenza A(H5N1)|9 April 2024|United States of America
The case is aged over 18 years. On 27 March, the case developed conjunctivitis, was reported to be while working at a commercial dairy cattle farm and had a history of exposure to dairy cattle (cows) presumed to be infected with influenza A(H5N1) virus (1).

Avian Influenza A(H5N1)|2 April 2024|Viet Nam
The case developed a fever and cough on 11 March 2024 and was admitted on 15 March to a local hospital due to persistent symptoms, including abdominal pain and diarrhoea. On 17 March, his condition worsened, and he was transferred to the Intensive Care Unit (ICU) of a provincial hospital. On 20 March, the patient was transferred to another provincial hospital with a diagnosis of severe pneumonia, severe sepsis, and acute respiratory distress syndrome. The case died on 23 March.

Informative Note: Antimicrobial-resistant Campylobacter infection in men who have sex with men – April 5, 2024|8 Apr 2024 |Pan American Health Organization
Given the identification of resistance in an outbreak of Campylobacter in men who have sex with men (MSM) in the United States that affected 13 people. And the history of previous outbreaks also involving individuals in both the United States and Canada. PAHO/WHO encourages Member States to be vigilant and maintain surveillance for outbreaks of diarrhea, particularly in these populations. Additionally, Member States are urged to be alert to an unusual increase in cases of Campylobacter infection, especially in at-risk groups, and to notify through the official channels of the International Health Regulations (IHR) according to the outcome of the decision algorithm, Annex 2 of the IHR.

Epidemiological Update – Increase in dengue cases in the Region of the Americas – 29 March 2024|29 Mar 2024 |Pan American Health Organization
In the Region of the Americas, the highest number of cases of dengue was reported in 2023, with a total of 4,569,464 cases, including 7,665 (0.17%) severe cases and 2,363 deaths (case fatality rate [CFR] 0.052%). During 2024, up to epidemiological week (EW) 12, there were 3,578,414 dengue cases reported to the Health Information Platform for the Americas (PLISA per its acronym in Spanish). Of this, 2,888 cases were characterized as severe dengue (0.08%), and 1,039 fatal cases were reported (case fatality rate 0.029%). The total cases reported through PLISA in 2024 represents an increase of more than three times compared to the same period in 2023 in the Region of the Americas.

Eritrea Observed World TB Day 2024|28 March 2024|African Region
World TB Day was commemorated on 24 March 2024 at Orotta Conference Hall in Asmara, capital city of Eritrea. This year’s theme is “Yes, we can end TB,” highlighting the need to ensure equitable access to prevention and care, in line with our drive towards the elimination of TB disease.

African island states take fresh step towards joint medicines procurement |27 March 2024|African Region
Victoria ‒ In a further move towards pooled procurement of essential medicines and medical products, Ministers of Health from small African islands states established a secretariat and elected Mauritius as the host, taking critical steps to launch joint operations for increased access to affordable, quality-assured and safe medicines and medical supplies.

Liberias World Health Day Commemoration Activities Unveiled: “My Health, My Right” i…|23 March 2024|African Region
Climaxing the year-long celebration marking 75 years of the World Health Organization’s (WHO) existence, World Health Day on April 7th this year serves as the conclusion of this significant milestone. While last year’s observance celebrated WHO’s achievements on the journey to achieving Health For All, this year’s commemoration takes on a broader perspective by highlighting health as a fundamental human right under the theme “My Health, My Right.”