Since first being discovered in the U.S. in 2017, the tick has spread to more than two dozen states.

The Asian longhorned tick nairovirus caused flu-like illness and thrombocytopenia in over 10% of tick-bitten patients studied ...

Antibodies show some North Carolinians have already been exposed — and the lone star tick behind it carries another growing threat, too.

NEW YORK (PIX11) — A Long Island man was diagnosed with the first confirmed case of an incredibly rare and possibly fatal tick-borne virus in New York State. Last month, Stony Brook Medicine published ...

The virus was discovered in 2014 and has since been reported in the Midwest, East Coast and Southern United States ...

Southern tick–associated rash illness is increasingly showing up outside the south, a recent case report illustrates.

The CDC reports that 156 neuroinvasive cases have been reported in the United States so far in 2026, and, according to the NYC Health Department, about one in 150 people infected with West Nile virus ...

A Hard Tick (Dermacentor Reticulatus, also known as ornate cow tick, ornate dog tick, meadow tick, and marsh tick) climbs out of its jar in a lab of the Institute for Parasitology and Tropical ...