The best way to protect yourself from getting long COVID is prevention.
While anyone can get long COVID, studies show you’re more likely to contract it if you’ve had a severe case of COVID.
So, the best way to avoid long COVID is to NOT have a severe case in the first place. And the best way to prevent a severe case is to keep up to date with your vaccinations, including boosters.
Sources: https://www.cdc.gov/coronavirus/2019-ncov/long-term-effects/index.html (CDC)
https://www.umms.org/coronavirus/what-to-know/managing-medical-conditions/long-covid (University of Maryland Medical System)