In my opinion, COVID will be co-live with humans and exist forever like Flu. Every spring, pharmacy like CVS, Walgreens offers free flu shot.It is no surprised if you see FREE COVID Vaccine shot in next decades.
Now, USPS offer free COVID-19 rapid test at no cost.You can follow the instructions from the link below to order online.
https://faq.usps.com/s/article/At-Home-COVID-19-Test-Kits
Each household can have 8 test kit in total.If you need more test kit, you can order online through Amazon.