Recent outbreaks of dengue fever in Brazil have prompted public well being officers to launch an immunization marketing campaign focusing on youngsters ages 10 to 11.
Dengue fever is a probably life-threatening viral an infection transmitted by the chew of contaminated mosquitoes.
"Four different subtypes of the virus can cause infections in humans," says Dr. Stacey Rizza, a Mayo Clinic infectious ailments specialist. "Wherever you have a significant number of mosquitoes and warm hot environments is where you see dengue transmission."
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