Today only, Rakuten takes 20% off sitewide via coupon code "CYBER20" as part of its Cyber Monday Sale. (A $60 maximum discount applies.) Plus, most orders receive free shipping. That's tied as the best sitewide discount we've seen from Rakuten this year.
Note: This coupon can only be used once per account. (You must be signed in to use it.)
Now, you can order a coronavirus antibody test online, even without a prescription from your doctor.