Acquisition of <i>Rickettsia rickettsii</i> (Rickettsiales: Rickettsiaceae) by <i>Haemaphysalis longicornis</i> (Acari: Ixodidae) through co-feeding with infected <i>Dermacentor variabilis</i> (Acari: Ixodidae) in the laboratory
Journal of medical entomology