The Multibasic Cleavage Site in H5N1 Virus Is Critical for Systemic Spread along the Olfactory and Hematogenous Routes in Ferrets (pnas.org)
Colonization of the intervertebral discs can occur through hematogenous spread (often secondary to a urinary tract infection), direct inoculation (e.g., trauma, foreign body migration), or iatrogenic infection (e.g., neurosurgery, intramuscular injections). (ivghospitals.com)
Mawhinney, L.A., * Thawer, S., Lu, W. - Y., van Roojen, N., Weaver, L.C., Brown, A. and Dekaban, G.A. Differential detection and distribution of microglial and hematogenous macrophage populations in the injured spinal cord of the lys - EGFP - ki transgenic mouse. (robarts.ca)