Travelers should avoid contact with rodents and their excreta, but there is no increased risk in most areas of the country and no restriction of travel is necessary. Dengue in Argentina, Brazil, and Paraguay Ref. National health authorities in Argentina issued a dengue alert after cases were reported in travelers returning from Brazil and Ciudad del Este, Paraguay. More than 5000 cases have been reported in Paraguay, and sources of infection have been detected in municipalities surrounding the country's capital, Asuncion. Travelers should take precautions against mosquito bites.
Transmission can occur during the day in urban areas.
British Airways Travel Clinics is advising travelers to Zimbabwe, Botswana, northern and eastern South Africa, Swaziland and Mozambique, which have recently experienced torrential rains and flooding, that there is a high risk for waterborne infections. Travelers should follow food, water, and mosquito precautions, should receive recommended vaccinations for this area, including tetanus, hepatitis A and typhoid, and should probably consider cholera vaccination. For those who might come in contact with displaced persons, meningococcal meningitis vaccine is advisable. WHO Disease Outbreaks Reported, February 16, 2000. WHO has received reports of an increased number of cases of meningococcal meningitis occurring between October 1999 and January 2000.