Regulatory T cells in the colon travel to muscles to promote wound healing in mice, raising questions about how antibiotics may impact injury recovery.
Early reports that Omicron causes less-severe disease than Delta seem to be borne out, but it’s not yet clear to what extent that’s due to the variant itself versus the populations it’s infecting.
A new study reveals that the fibroblasts in tissue surrounding acne infections play an active role in the body’s immune response—and that existing treatments help trigger them to do so.