NEW YORK (NYTIMES) - Coronavirus vaccinations can cause enlarged lymph nodes in the armpit or near the collarbone, which may be mistaken for a sign of cancer.

As vaccines are rolled out across the country, doctors are seeing more and more of these swollen nodes in recently immunised people, and medical journals have begun publishing reports aimed at allaying fears and helping patients avoid needless testing for a harmless condition that will go away in a few weeks.