I found this online. This link below is for the annual plan. You can choose different types of coverage either covering up to 30 days, 45 days, or 60 day trips outside the us.

https://www.sevencorners.com/coronavirus-travel-insurance/wander-plus-frequent-traveler#/quote

This one below is the plan where you can buy just for certain dates.

https://www.sevencorners.com/corona...son-travel-plus-medical-insurance#/quote