The dreaded mask is to stop a person from spraying out virus laden spit & breath to infect others.
The Vaccine is to minimise the effect of the virus IF YOU CATCH IT. It does not prevent you catching it, or spreading it.
Depends what you mean by affordable.
There have been so many threads on this subject for several years. Simply put HEALTH INSURANCE in the search box, top right.
You do not need ANYTHING deposited in a bank here if you transfer 65k per month from abroad, and you can spend every last satang of it.
Or if your IO allows it, transfer say 50k per month and have just 200k in the bank using the Combination Method