Puerto Rico has recorded at least 1,012 cases of dengue so far in 2025, followed by Florida, 50, and the U.S. Virgin Islands, which has 40 recorded cases.

Zika virus and dengue virus are very close relatives. Both are mosquito-borne flaviviruses, and both specialize in infecting ...

Antibody (Ab)-dependent enhancement of infection occurs when preexisting antibodies present in the body from a primary (first) dengue virus (DENV) infection bind to an infecting DENV particle ...