Dengue is a risk in many parts of Central and South America, Mexico, and the Caribbean. Some countries are reporting increased numbers of cases of the disease. Travelers to the Americas can protect themselves by preventing mosquito bites.

There is an outbreak of yellow fever in the Southern Nations Nationalities and Peoples Region (SNNPR) of Ethiopia. Travelers going to Ethiopia should receive vaccination against yellow fever at least 10 days before travel and should take steps to prevent mosquito bites while there.

There is an outbreak of meningococcal disease in northwest Benin.

CDC recommends that travelers defer all cruise travel worldwide.

CDC recommends that travelers avoid all nonessential travel to Venezuela. The country is experiencing outbreaks of infectious diseases, and adequate health care is currently not available in most of the country.