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.
Scientists discuss their latest findings on immune cell dynamics, neurodegenerative disease risk factors, and rare cell types obtained from bulk and single cell RNA sequencing experiments.