Saint Lucia: Additional dengue fever cases continue to be reported into Dec., mostly in the north of the island. Prevent mosquito bites.

Event

Authorities reported an additional 87 cases of dengue fever in St. Lucia, bringing the total for the year to 888 confirmed and 365 suspected cases according to data from the Ministry of Health. This total is compared to 19 cases reported during 2019. Disease activity remain highest in the northern parts of the island with most affected areas including Castries, Gros-Islet, and Vieux Fort. This represents the most recent data available as of Dec. 7.

Context

Saint Lucia reported 19 dengue fever cases throughout 2019, approximately 90 cases in 2018, no cases in 2017, and 80 cases reported in 2016. Dengue fever transmission likely occurs year-round and nationwide in St. Lucia, with the highest risk of transmission in urban and semi-urban areas. Risk of infection is typically highest June - November.

A dengue fever vaccine is available in some countries. It is only recommended for individuals with a history of dengue infection and in a country with high dengue fever burden. Dengue fever is transmitted through the bite of an infected mosquito. Symptoms of dengue fever include a sudden onset of fever and at least one of the following: severe headache, severe pain behind the eyes, muscle and/or joint pain, rash, easy bruising, and/or nose or gum bleeding. Symptoms typically appear 5-7 days after being bitten but can develop up to 10 days after exposure. Dengue fever can progress to a more severe form known as dengue hemorrhagic fever (DHF). DHF can be fatal if it is not recognized and treated in a timely manner.

Advice

If previously infected with dengue fever, consult your physician regarding vaccination. Avoid mosquito bites and remove standing water to reduce the number of biting mosquitoes. Seek medical attention if symptoms develop within two weeks of being in affected areas. Do not use aspirin or ibuprofen products if dengue fever is suspected, as these could exacerbate bleeding tendencies associated with the disease.