Health officials are reporting for the first time that US mosquitoes are transmitting a virus that has been spreading rapidly in the Caribbean. Florida health officials say two people in Florida acquired the chikungunya virus in the U.S. Scientists believe a mosquito bit someone with the virus, then bit someone else, infecting that person.
Neither patient had traveled recently outside the country. People infected with the virus usually develop fever and joint pain as well as muscle aches, headaches, joint swelling or rash.
The Centers for Disease Control and Prevention says there have been more than 240 cases of the virus reported in the U.S. so far, but those people are believed to have been infected outside the country. Health experts say there is no need to panic, but it's always a good idea to try to avoid mosquito bites.
Both patients infected in Florida are said to be doing well.
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