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What is dengue and why are health officials concerned about it?
Dengue is a tropical disease transmitted by mosquitoes. Health officials are concerned because cases of dengue are increasing worldwide, breaking international records.
Why are U.S. health officials warning doctors to be alert for dengue cases?
U.S. health officials are warning doctors to be alert for dengue cases because the disease is spreading rapidly and there is a risk of it reaching the United States.
What are the symptoms of dengue and how is it transmitted?
Symptoms of dengue include high fever, severe headache, pain behind the eyes, joint and muscle pain, and rash. Dengue is transmitted through the bite of infected mosquitoes.