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The Ministry of Public Health (MINSAP) states that the western province of Matanzas has confirmed cases of chikungunya and is taking extreme measures.

Dengue fever

The Taiwan Centers for Disease Control (CDC) announced today that there were 4 new local dengue fever cases last week (9/23-9/29) (3 cases in Taoyuan City and 1 case in Yilan County).

Since March 21, the beginning of the current Iranian year, through September 27, health officials in Iran have reported 497 dengue fever cases, most in the southern part of the country.

Vaccine company, Valneva, on Tuesday announced positive antibody persistence data four years after vaccination with a single dose of its chikungunya vaccine IXCHIQ®.

Last week, the Minas Gerais State Health Secretariat (SES/MG) was notified by the Virology and Rickettsiosis Service of the Ezequiel Dias Foundation (FUNED/LACEN-MG) of a detectable molecular biology result (quantitative real-time polymerase chain reaction, qRT-PCR) for yellow fever in a sample from a patient residing in the municipality of Patos de Minas.

Since the beginning of surveillance and through September 24, 680 confirmed cases of West Nile Virus (WNV) infection in humans have been reported in Italy, of which 321 were neuroinvasive, 54 asymptomatic cases identified in blood donors, 296 cases of fever (including 1 imported from Kenya, 1 from Egypt, and 1 from the Maldives), 3 asymptomatic cases, and 6 cases with other symptoms.

In a follow-up on the Rift Valley fever (RVF) outbreak in Senegal, local media report a worrying increase in the epidemic and spread in the Saint-Louis region.

The Sindh health department reported the sixth Crimean-Congo Hemorrhagic Fever (CCHF) death of 2025 in a 28-year-old butcher from Karachi.

Last week, the Minas Gerais State Health Secretariat (SES/MG) was notified by the Virology and Rickettsiosis Service of the Ezequiel Dias Foundation (FUNED/LACEN-MG) of a detectable molecular biology ...

Dengue virus transmission by Ae. aegypti mosquitoes poses a significant public health threat, necessitating innovative control strategies. Here, the authors demonstrate that, while successive blood feeding increases earlier dengue virus dissemination, the inhibitory effects of Wolbachia remain strong, highlighting Wolbachia’s potential to disrupt dengue transmission under natural feeding conditions.

Here, we provide an update on invasive mosquito surveillance activities coordinated by the UK Health Security Agency (UKHSA) between May 2020 and November 2024. Aedes albopictus and Aedes aegypti are ...

Publication date: Available online 30 September 2025 Source: Acta Tropica Author(s): Júlia Martinho, Hugo Osório, Fátima Amaro, Manuel Silva, Líbia Zé-Zé, Maria João Alves, Baltazar Nunes, Patrícia Soares