@esikora, have you discussed this with anyone on your medical team? If I recall correctly, you may be immunocompromised due to a cancer history, correct?

Getting a third booster may be an option for you and worth talking to your PCP or oncologist about and to find out other potential options like Evushield, a prevention treatment using monoclonal antibodies.
- Coronavirus (COVID-19) Update: FDA Authorizes New Long-Acting Monoclonal Antibodies for Pre-exposure Prevention of COVID-19 in Certain Individuals https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-fda-authorizes-new-long-acting-monoclonal-antibodies-pre-exposure

Additionally, you can wear a mask and wash your hands frequently for further protection. Is there an option to attend the wedding virtually?