| Autor: |
Julia R. Port, Jade C. Riopelle, Samuel G. Smith, Lara Myers, Matthew C. Lewis, Shane Gallogly, Atsushi Okumura, Jonathan E. Schulz, Rebecca Rosenke, Jessica Prado-Smith, Aaron Carmody, Sidy Bane, Brian J. Smith, Greg Saturday, Heinz Feldmann, Kyle Rosenke, Vincent J. Munster |
| Rok vydání: |
2023 |
| Popis: |
The 2022 mpox virus outbreak was sustained by efficient human-to-human transmission and spread predominantly through sexual networks of men who have sex with men (MSM). It is currently unclear what combination of factors resulted in the enhanced transmission. To investigate this, we established the peridomestic African rodentMastomys natalensisas a new rodent model susceptible to infection after intraperitoneal, rectal, vaginal, and transdermal inoculation with an early 2022 human outbreak isolate (Clade IIb). Route-dependent shedding and tissue replication occurred in the presence of self-resolving localized skin, reproductive tract, or rectal lesions. Mucosal inoculation via both the rectal and vaginal route led to increased shedding compared to skin inoculation, and increased replication and a proinflammatory T-cell profile. Contact transmission was higher in rectally inoculated animals. This suggests that the spread in MSM communities may have been enhanced by increased susceptibility of the anal and genital mucosae for infection and subsequent virus release. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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