Travel Hot Spots

Authored by
Last reviewed
September 19, 2023
Content Overview
Travel disease hot spots may require vaccination in 2023.

Travel Disease Hot Spots August 2023

It’s essential to check your destination before you travel and be prepared by staying current with the latest disease outbreaks and vaccinations. The U.S. Centers for Disease Control and Prevention (CDC) publishes disease travel advisories as of July 2023. Infectious disease outbreaks are currently being reported on the CDC website. Additionally, Canada, the Pan American Health Organization (PAHO), the U.K. Foreign Travel Advice, and the European Centers for Disease Control (ECDC) publish disease outbreak news, testing requirements, and vaccination recommendations. Furthermore, the U.S. Department of State and local U.S. embassies issued security notices for cities and countries. published disease outbreaks segment by countries in 2023. And the most visited cities in 2022 were listed by 

U.S. Disease Hot Spots 2023

As of September 2023, countries such as Australia, BrazilCanada, France, India, JapanMexicoNew Zealand, and the United Kingdom have issued travel advisories focused on concerns when visiting the USA. 

Arizona - West Nile virus outbreaks confirmed in 2023. In 2021, Arizona reported over 1,700 WNV cases.

Illinois - Known cases of mpox, gonorrhea, chlamydia, syphilis, and HIV have been increasing in the Chicago area in 2023.

Florida - Locally-acquired and travel-related Dengue and Malaria cases were confirmed in 2023. A leprosy risk has been identified in central Florida.

Kentucky - Measles cases confirmed near Lexington and Lousiville in early 2023.

New York City - Poliovirus, Mpox, MeaslesTick-borne, West Nile Virus, and Tuberculosis disease detections were confirmed in 2023.

Puerto Rico - Dengue and Zika cases were confirmed in July 2023.

TexasTuberculosis cases increased by about 10% (Houston, Dallas) in 2022; Locally-acquired dengue was detected in 2023; A State of Emergency was declared in Brownsville, El Paso, and Larado in 2023 after southern Texas reported a locally-acquired malaria case in late June 2023; Houston and Fort Bend Countries have received reports of increased Cyclospora infections as of July 7, 2023; On August 12, 2023, Dallas County Health and Human Services (DCHHS) confirmed 8 West Nile Virus human infection and one related death, and four travel-related dengue cases in 2023.

International Disease Hot Spots

Bahamas - Chikungunya, Dengue, and Zika

Brazil - Chikungunya, Dengue, Yellow Fever, and Zika viruses

Canada - Poliovirus in Montreal

Cancun, Mexico - Dengue, Malaria case confirmations in 2023.

Caribbean - Dengue, Chikungunya, Yellow Fever, and Zika virus cases were confirmed in 2023.

Costa Rica - Malaria, Dengue, and Zika risks in 2023.

England (London) - Measles, Mpox, MeningitisPoliovirus.

El Salvador - Level 3: Reconsider Travel.

France - Mpox near Paris.

Guatemala - Level 3: Reconsider Travel and Dengue, Malaria, and Zika risks.

Haiti - Do not travel to Haiti, says the U.S. Dept. of State. In 2023, Haiti reported 253 cholera-related deaths. The U.S. CDC recommends various vaccines for visitors to Haiti.

Honduras - Level 3: Reconsider Travel and Dengue, Malaria, and Zika risks in 2023.

India - Dengue, Influenza, Measles, Tuberculosis, and Zika.

Jamaica - High-level security alerts for most islands and Dengue, Malaria, and Zika risks.

Japan - Rubella

Mexico - The U.S. State Department issued a high-level travel advisory for Mexico in August 2023.

South Africa - Measles, Cholera, Yellow Fever risks.

South America - Dengue, Malaria, Measles, Typhoid, Yellow Fever, Zika, and State Department Travel Advisories. 

Disease Trends

The Rand Corporation published an EBook identifying 25 countries in Europe, North America, and Asia-Pacific at risk for disease outbreaks.