Published on August 27, 2025
The Chikungunya virus, transmitted by mosquitoes, has made a important resurgence successful 2025, peculiarly successful parts of China and Europe. Over 8,000 cases person been reported successful Foshan, Guangdong Province, China, sparking extended vector power efforts. The microorganism has dispersed to celebrated tourer destinations successful France, Spain, Italy, and Greece, pinch expanding cases successful Paris, Barcelona, Rome, and Athens. In Brazil, Venezuela, and Colombia, nan Oropouche virus, dispersed by midges, has been reported successful cities for illustration Caracas, Bogotá, and Quito. Meanwhile, Mpox remains a interest successful New York City, London, Toronto, and Madrid, pinch ongoing outbreaks contempt nan 2023 declaration that nan world emergency was over. The West Nile virus has resurfaced successful New York City, Rome, Athens, and Barcelona, while Dengue fever continues to impact Bangkok, San Juan, Manila, and Kuala Lumpur. The Zika virus besides persists successful Rio de Janeiro, Mexico City, Havana, and Santo Domingo, peculiarly concerning for pregnant women. As these viruses spread, travelers are urged to return precautions specified arsenic utilizing mosquito repellent, wearing protective clothing, and staying successful air-conditioned accommodations to minimize nan risks of infection.
Chikungunya Virus: A Resurgence successful Asia and Europe
The Chikungunya virus, transmitted by mosquitoes, has seen a important resurgence successful 2025, particularly successful parts of China and Europe. This microorganism causes fever, associated pain, and rash, making it a awesome wellness interest for visitors visiting regions wherever nan illness is active.
Countries and Cities Affected
- China: In Foshan, Guangdong Province, complete 8,000 cases person been reported, prompting wide quarantines and extended vector power efforts.
- France, Spain, Italy, Greece: The European Centre for Disease Prevention and Control (ECDC) has warned of accrued cases successful celebrated tourer cities for illustration Paris, Barcelona, Rome, and Athens.
Details
Chikungunya is chiefly dispersed done mosquito bites, peculiarly by nan Aedes mosquitoes. In 2025, ample outbreaks person been recorded, pinch respective European cities now seeing rising numbers of cases. To curb nan dispersed of nan virus, section authorities are intensifying vector power measures, including nan usage of insecticides and nan merchandise of mosquito-eating fish. Travelers to these areas are advised to usage mosquito repellent, deterioration protective clothing, and opt for accommodations pinch aerial conditioning aliases screened windows to trim nan consequence of bites.
Oropouche Virus: Expanding Beyond Tropical Regions
The Oropouche virus is chiefly transmitted by midges, but mosquitoes whitethorn besides play a domiciled successful its transmission. Traditionally recovered successful tropical areas, nan microorganism has been expanding to caller regions, affecting travelers to South America and parts of Europe.
Countries and Cities Affected
- Brazil: Large outbreaks person been reported successful respective regions, pinch important lawsuit numbers successful nan Amazon.
- Venezuela: Caracas, nan superior city, has seen a crisp summation successful cases.
- Colombia: Bogotá and different regions person besides reported precocious numbers of infections.
- Ecuador: Quito has go a hotspot for Oropouche microorganism transmission.
Details
Oropouche microorganism is mostly transmitted by biting midges, but its dispersed to caller areas raises concerns astir nan accrued consequence of world transmission. While astir cases hap successful tropical areas, caller reports person suggested that nan microorganism whitethorn beryllium spreading to Europe, pinch cases detected successful nan United Kingdom. Travelers to South America should return precautions to debar midge bites, particularly successful agrarian and tropical areas. These measures see utilizing insect repellent and staying successful places pinch due mosquito control.
Mpox (Monkeypox): Ongoing Concerns for Travelers
Despite nan world mpox outbreak being declared complete by nan World Health Organization (WHO) successful 2023, cases proceed to beryllium reported successful various countries. Mpox, a viral illness that leads to flu-like symptoms and a rash, remains a interest for travelers, peculiarly successful areas pinch ongoing outbreaks.
Countries and Cities Affected
- United States: New York City remains a hotspot for ongoing cases, particularly successful high-risk communities.
- United Kingdom: London has seen sporadic cases linked to world travel.
- Canada: Toronto continues to study cases among travelers and those successful adjacent interaction pinch infected individuals.
- Spain: Madrid has had cases of mpox successful caller months, peculiarly successful definite societal groups.
Details
Mpox is transmitted done adjacent interaction pinch infected individuals, peculiarly done bodily fluids aliases respiratory droplets. Although nan outbreak is nary longer astatine a pandemic level, travelers to regions pinch progressive cases should debar adjacent interaction pinch anyone showing symptoms. Preventive measures see maintaining bully hygiene, avoiding crowded areas, and pursuing section wellness advisories.
West Nile Virus: A Resurgence successful Urban Areas
West Nile Virus (WNV), chiefly transmitted by mosquitoes, has resurfaced successful respective urban areas, including cities successful the United States and parts of Europe. This microorganism tin origin a wide scope of symptoms, from mild flu-like unwellness to terrible neurological disease, making it a important wellness interest for travelers successful affected regions.
Countries and Cities Affected
- United States: New York City has reported nan first quality cases of West Nile Virus for 2025 successful August.
- Italy: Cities for illustration Rome person seen an uptick successful reported cases.
- Greece: Athens and surrounding areas are witnessing a emergence successful infections.
- Spain: Outbreaks person besides been recorded successful Barcelona.
Details
West Nile Virus is transmitted done nan wound of an infected mosquito, and symptoms tin scope from mild to severe. Travelers successful affected regions are advised to protect themselves by utilizing mosquito repellent, wearing long-sleeved clothing, and avoiding outdoor activities during highest mosquito activity, typically astatine dawn and dusk.
Dengue Fever: Persistent Threat successful Tropical Regions
Dengue fever, a viral illness transmitted by mosquitoes, remains a major concern successful tropical regions worldwide. The illness continues to origin outbreaks successful respective countries, peculiarly successful Southeast Asia and nan Caribbean, wherever it has go a important nationalist wellness issue.
Countries and Cities Affected
- Thailand: Bangkok remains 1 of nan astir affected cities, pinch a ample number of cases reported successful caller months.
- Puerto Rico: San Juan has seen a precocious number of dengue cases, peculiarly successful densely populated municipality areas.
- Philippines: Manila is experiencing a dengue surge arsenic nan rainy play continues.
- Malaysia: Kuala Lumpur has reported respective dengue outbreaks successful tourer districts.
Details
Dengue fever causes symptoms specified arsenic precocious fever, associated pain, terrible headaches, symptom down nan eyes, and a rash. In immoderate cases, it tin lead to terrible complications. To debar dengue, travelers should usage mosquito repellent, deterioration protective clothing, and enactment successful accommodations pinch air conditioning aliases screened windows.
Zika Virus: A Threat successful Latin America and nan Caribbean
Zika virus, which is transmitted by mosquitoes, has been a recurring rumor successful Latin America and nan Caribbean. While nan Zika outbreak of 2015-2016 raised world awareness, nan microorganism remains a interest for travelers to affected regions.
Countries and Cities Affected
- Brazil: Rio de Janeiro continues to study respective Zika cases.
- Mexico: Mexico City has knowledgeable periodic outbreaks, particularly during nan rainy season.
- Cuba: Havana has seen a resurgence of Zika cases, prompting accrued wellness surveillance.
- Dominican Republic: Santo Domingo and surrounding areas person been flagged for imaginable outbreaks.
Details
Zika microorganism tin origin mild symptoms, but nan microorganism is astir concerning for pregnant women, arsenic it tin lead to birth defects. Preventive measures see utilizing insect repellent, wearing long-sleeved clothing, and staying indoors during highest mosquito activity.
Preventive Measures for Travelers
With these viruses spreading crossed various regions, it is important for travelers to return proactive measures to minimize nan consequence of infection. The pursuing steps tin thief guarantee a safe and patient journey:
- Use Insect Repellent: Travelers should use repellent containing DEET, picaridin, aliases lipid of citrus eucalyptus to protect against mosquito-borne viruses.
- Wear Protective Clothing: Long-sleeved shirts and agelong pants should beryllium worn, particularly during dawn and dusk erstwhile mosquitoes are astir active.
- Stay successful Screened aliases Air-Conditioned Accommodations: This helps trim vulnerability to mosquitoes and midges.
- Avoid Close Contact pinch Infected Individuals: Especially important for diseases for illustration mpox.
- Stay Informed: Travelers should show wellness advisories from organizations for illustration nan CDC and WHO to enactment updated connected nan latest developments regarding emerging viruses.
As nan world navigates done 2025, travelers must stay vigilant astir nan dispersed of caller and re-emerging viruses. While destinations for illustration China, Brazil, and Thailand connection unsocial experiences, they besides airs wellness risks owed to nan beingness of mosquito-borne viruses for illustration Chikungunya, Oropouche, and Dengue. Furthermore, diseases specified arsenic mpox and West Nile Virus proceed to impact regions globally. By pursuing recommended preventive measures, travelers tin trim nan consequence of infection and proceed to research nan world safely.
As always, staying informed and being prepared is cardinal to protecting one’s wellness while traveling. By taking basal precautions, travelers tin bask their trips without putting themselves astatine consequence of these perchance vulnerable diseases.
Sources
New York Post
Pan American Health Organization
Travel Health Pro
Hawaii State Department of Health
Centers for Disease Control and Prevention (CDC)
Times of India
The Sun
World Health Organization (WHO)
European Centre for Disease Prevention and Control (ECDC)
The Economic Times
PMC (PubMed Central)
GOV.UK