How can one idiomatically or by using a phrase refer to a situation of something rising (e.g. a disease, pandemic, recession) after a temporary comedown?
To rebound or bounce back would be a good fit in a business context. https://hbr.org/2010/03/are-you-ready-to-rebound
An increase or revival after a period of little activity, popularity, or occurrence.
Some examples given are
It is also used as a mosquito repellant, a significant contribution in a region where the resurgence of malaria is responsible for thousands of deaths.
Indeed, we now know that, far from being a ‘dark age’, this period saw an economic resurgence in Anglo-Saxon England.
So this fits all the use cases given.
from Oxford Languages
(of someone suffering from a disease) suffer deterioration after a period of improvement.
a deterioration in someone's state of health after a temporary improvement.
The opposite of a comedown?
|Antonyms for comedown||Near Antonyms for comedown|
...but the first word that came to me was "comeback".
- to become healthy and strong again after illness or weakness.
she's slowly coming back after being in a coma
- to regain a former or normal state.
the American bald eagle was once nearly extinct but has come back strong
Very irreverent and colloquial, but "second wind" is one used frequently in the UK.