With four Florida counties under a state of emergency for the Zika virus, MLB teams are trying to keep fans and players safe before pitchers and catchers begin reporting to the state for spring training later this week.
"We have communicated (Centers for Disease Control and Prevention) recommendations to our clubs and MLB employees and have provided factual information, including symptom identification and best practices on prevention," an MLB spokesman told Washington, D.C., radio station WTOP.
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There have been nine confirmed cases of the mosquito-borne virus in Florida.
The Aedes aegypti mosquito, or Yellow Fever mosquito, is not indigenous to the United States, but has migrated north and adapted to harsher climates. The outbreak of the Zika virus began last year in Brazil and has largely affected pregnant mothers and their newborn children.
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Fifteen MLB teams hold spring training in Florida. Along with those players, coaches and other team personnel, spring training brings thousands of fans to Florida.
While there is no local transmission of infection in the U.S., MLB remains in contact with federal and Florida health officials, who are cautioning people to be careful around standing water and encouraging them to wear insect repellent.