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Destinations
Outbreaks
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Vaccinations
Insect/Arthropod
Protection
Safe Food and Water
Travel Medicine Clinics
Traveling with Children
Special Needs Travelers
Traveling with Pets
Cruise Ships and Air
Travel
Medical Emergency
Preparation
Nonmedical Emergency
Preparation
Reference Materials
Yellow Book
Visitor Survey
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Global Surveillance
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CDC
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World Health
Organization
Notice: Increased dengue activity: Brazil and
other tropical and subtropical countries.
(Released March 4, 2002; Updated May 13, 2002)
(Note: for more information on traveling in Tropical South America or Central
America, please see Health Information for Travelers to Tropical South
America and Central America.)
According to a May 8, 2002 notice from the World Health Organization
(WHO), Brazilian national health authorities reported 317, 787 cases of
dengue, including 57 deaths, in the first quarter of this year. Forty-one percent
(41%) of all cases registered occurred in the state of Rio de Janeiro. This
outbreak is associated with dengue serotype 3, which has been recently
introduced in the population and may explain the increase in dengue
hemorrhagic fever (DHF) cases seen in 2002.
As of April 25, 2002, a total of 95, 463 cases of dengue, 571 cases of DHF,
and 31 deaths in Rio de Janeiro Municipality were reported by the local health
authority. However, during the month of April, a dramatic decrease in disease
activity occurred in Rio de Janeiro Municipality.
Although the risk of dengue infection for the international traveler is low, it is
possible that travelers may become infected with dengue during visits to
countries in Asia, the Pacific Islands, the Caribbean Islands, Mexico, Central
and South America, and Africa, especially if an outbreak is in progress. The
viruses that cause dengue are constantly