The creatures are invisible to the naked eye, measuring around 100 micrometers long—about as thick as a human hair.
A hurricane watch is in effect for Puerto Rico and parts of the Dominican Republic with the storm expected to gradually strengthen.
"Given the amount of coverage that we have gotten over the last couple of months we do recognize that there may be some concern among some of the tourists," Pablo Espinal, Chief of Staff of the Dominican Republic's Ministry of Tourism, told CNN.
The Dominican health minister has launched a review into the death of Alexandra Medina, the latest U.S. resident to die after traveling to the country for an elective procedure.
In Manhattan, mourners released white balloons in Manuel José Núñez' memory, lighting candles and laying flowers beside photos of the 28-year-old.
"When it came up that they died from the same exact thing as my husband I thought 'No, no.... there's no way two people could die of the same exact thing.'"
Wilson Reynoso Vega, 32, died while trying to cross the U.S.-Canadian border to join his 11-year-old daughter, who was living with her mother in Philadelphia.
The documents "shed light on how much taxpayers are paying for trips taken by the heads of the president's private business empire," the watchdog stated.
About 650 Canadians requested permission to get a medication to treat hookworm from the Canadian health regulator in 2015. Like this couple, some were denied.
See Iran, Guatemala, Congo, the Dominican Republic, South Vietnam, Brazil and Chile.
Christophe Naudin is accused of helping the pair flee the Dominican Republic.
In small communities in the Dominican Republic some females spontaneously develop male genitalia.
The Vatican says Jozef Wesolowski's death was due to "natural causes."
Dominican authorities are poised to expel by force thousands of undocumented Dominicans of Haitian descent.