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Treatment with tecovirimat of the first two cases of monkeypox in Japan

Outbreaks of monkeypox in Europe and North America have been reported since May 2022. At the end of July, we encountered the first two cases of monkeypox diagnosed in Japan. Case 1 was a white man who traveled to Spain where he had sexual intercourse with men. He presented to our hospital with fever...

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Detalles Bibliográficos
Autores principales: Inada, Makoto, Saito, Sho, Tsuzuki, Shinya, Okumura, Nobumasa, Sato, Lubna, Kamegai, Kohei, Sanada, Mio, Komatsubara, Mika, Shimojima, Masayuki, Ebihara, Hideki, Kasuya, Fumi, Nagashima, Mami, Sadamasu, Kenji, Yamamoto, Kei, Ujiie, Mugen, Morioka, Shinichiro, Ohmagari, Norio
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Japanese Society of Chemotherapy, Japanese Association for Infectious Diseases, and Japanese Society for Infection Prevention and Control. Published by Elsevier Ltd. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9859650/
https://www.ncbi.nlm.nih.gov/pubmed/36690208
http://dx.doi.org/10.1016/j.jiac.2023.01.011
Descripción
Sumario:Outbreaks of monkeypox in Europe and North America have been reported since May 2022. At the end of July, we encountered the first two cases of monkeypox diagnosed in Japan. Case 1 was a white man who traveled to Spain where he had sexual intercourse with men. He presented to our hospital with fever, rash, and tiredness, and was diagnosed with monkeypox based on positive PCR test results from the skin lesions. He was admitted to our hospital, received tecovirimat 600 mg twice daily, and was discharged on day 15. Case 2 involved a Japanese man who visited us because of fatigue, muscle pain, headache, and oral ulcers. He was living in New York and traveled to Japan one day before presentation. He had experienced sexual intercourse with men four times during the previous month. The patient was diagnosed with monkeypox based on positive PCR results from the blood. He was admitted to our hospital, received tecovirimat 600 mg twice daily, and was discharged on day 14. These were the first two cases of monkeypox diagnosed in Japan. Based on their history and epidemiology, the viruses seem to have been imported from Europe and North America, respectively. After initiation of tecovirimat, both patients showed mild symptoms and immediate disappearance of viral DNA. The second case was notable for being diagnosed without skin rash. Our report suggests that tecovirimat could decrease the viral load rapidly, and that our prompt diagnosis contributed to the prevention of a monkeypox outbreak in Japan.