Ticks are hematophagous ectoparasites capable of transmitting multiple human pathogens.
Environmental changes have supported the expansion of ticks into new geographical areas …

In this paper, we present a historical review of rickettsiosis in Central America and also the
most recent findings of Rickettsia in ectoparasites. All countries of Central America have …

Background As obligate blood-feeding arthropods, ticks transmit pathogens to humans and
domestic animals more often than other arthropod vectors. Livestock farming plays a vital …

Rickettsia amblyommatis is a potentially pathogenic species of Rickettsia within the spotted
fever group vectored by ticks. While many studies have been published on this species …

In 1973, investigators isolated a rickettsial organism, designated strain WB-8-2T, from an
adult Amblyomma americanum tick collected at Land Between the Lakes National …

Co-infections are a poorly understood aspect of tick-borne diseases. In the United States
alone, nineteen different tick-borne pathogens have been identified. The majority of these …

Members of the genus Rickettsia range from nonpathogenic endosymbionts to virulent
pathogens such as Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever …

Of the documented tick-borne diseases infecting humans in México, Rocky Mountain spotted
fever (RMSF), caused by the Gram-negative bacterium Rickettsia rickettsii, is responsible for …

Rickettsia amblyommatis belongs to the spotted fever group of Rickettsia and infects
Amblyomma americanum (Lone Star ticks) for transmission to offspring and mammals …

In several urban and peri‑urban areas of Brazil, populations of Amblyomma sculptum and
Amblyomma dubitatum ticks are maintained by capybaras (Hydrochoerus hydrochaeris). In …