What are recommended online health insurance companies that provide travel insurance with COVID cover for 40 days?

The user is seeking recommendations for online health insurance companies that offer travel insurance with COVID coverage for a specific duration of 40 days. They mention that the London Thai embassy's website only provides options for 30 or 60 days of coverage. The comments suggest purchasing a 60-day policy as a safer alternative and highlight that finding insurance for a precise duration, such as 40 days, is challenging, as companies typically offer insurance in specific time frames like monthly or yearly blocks.