A resurgence is a rising again after a decline. A resurgence of interest.
It describes something that had nearly gone rather than something new. A resurgence of a disease follows falling vaccination as reliably as anything in medicine.
1nounresurgenceA rising again after a decline.
“There has been a resurgence of interest in the whole period.”
resurgence is a rising.
From resurge + -ence.
Etymology from Wiktionary, CC BY-SA