Duval County has the nation's highest risk of mpox infection, a virus in the smallpox family that can be fatal, according to a report from the Centers for Disease Control and Prevention.
Health officials are encouraging people to be proactive about protecting themselves against mpox in the hopes of preventing a surge like last year.
Duval County has the highest risk of an outbreak at 57%, the CDC report said. Hillsborough and Palm Beach counties both have a 52% risk, while Pinellas has 48% and Orange County has 45%. Those all fall in the top 15 nationally.
Low immunity rates for mpox in high-risk populations, which primarily include gay, bisexual and other men who have sex with men, contributed to those findings. For example, Hillsborough has an estimated immunity level of 15% and Duval has just 6%, which health experts say makes communities more vulnerable to spread.
“This analysis highlights the importance of public health programs identifying opportunities to promote vaccination before Pride-related and other events when vaccination interest might be higher, rather than vaccinating after reintroduction is identified,” wrote CDC researcher Emily Polluck in the discussion.
Mpox typically causes people it infects to develop skin rashes that can be painful or itchy. Other symptoms can include fever, aches and respiratory issues. The virus spreads through direct contact with those skin lesions, often during sex.
The prevalence of mpox has diminished significantly since last year’s outbreak, which led to more than 30,000 cases nationally and 42 deaths, but the virus has not gone away.
“It appears that this virus is going to remain endemic in the United States, and it will continue to be transmitted and, under particular conditions, will probably continue to manifest as outbreaks,” said Brad Perkins, chief medical officer at Karius, a company that provides advanced molecular testing to detect and manage infectious diseases.
Florida has reported 36 mpox cases so far this year, compared with 2,861 last year. Nine cases have been confirmed in Duval County, according to the Florida Department of Health.
A recent uptick in Chicago has metro areas on alert as summer travel and gatherings could fuel spread.
Health experts are encouraging gay and bisexual men in particular to get the two-dose mpox vaccine.
“Although it may not prevent every case of mpox, it’s pretty clear that it is likely providing protection against severe disease,” said Perkins, who adds people should also avoid coming into contact with people who either have what appears to be an mpox-related skin rash or a known exposure to someone who was infected.
People living with HIV or who have compromised immune systems for other reasons are especially at risk for severe cases of mpox.
Floridians who meet the criteria for mpox vaccination can schedule appointments to get immunized at their county health department offices. Other health clinics in the state offer the vaccine as well.
While there is no specific treatment for mpox, drugs developed to protect against smallpox are often effective.
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