"I think that really stems from the role of sloths as hosts in that natural transmission cycle," Dr. Chantal Vogels, an assistant professor of epidemiology at Yale School of Public Health, told ABC News. "But there's other animals involved as well."
"The concern is that now it is spreading to Cuba and possibly elsewhere in the Caribbean, with imported cases in the U.S.," Dr. Peter Hotez, co-director of the Texas Children's Hospital Center for Vaccine Development, said. "There is a possibility that it could gain a foothold in the southern U.S., especially in Gulf Coast."
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