propagating

To develop a whole-virus vaccine, researchers must first spend months isolating and propagating the virus.

She started propagating succulent and houseplant cuttings, potting them in vessels she got from neighbors on a Buy Nothing group.

Department of Health and Human Services — led by the vaccine-skeptic secretary, Robert F. Kennedy Jr. — of “propagating misinformation.”

President Trump accused the Smithsonian Institution of propagating “divisive, race-based ideology” and issued an executive order Thursday demanding an end to federal funding for exhibitions and programs based on racial themes that “divide Americans.”

What they’re propagating is far more dangerous than the decline of decorum in politics, or the presidential use of swear words formerly associated with truck drivers and sailors.