Afghanistan is now accepting international travelers.
Afghanistan has restarted international flights. Point-of-entry screening has been introduced. Not everyone is being screened, but those who are and who show a temperature of more than 38ºC may be sent for isolation direct to one of 2 national hospitals (Kabul Infectious Disease and Afghan-Japan Communicable Disease Hospital in Kabul) or 5 provincial hospitals. These hospitals are outside of the Enhanced Security Zone.
There are currently 5,100 active cases of COVID-19 diagnosed in Afghanistan and 1,451 deaths as of 25 Sep 2020
https://www.osac.gov/Country/Afghanistan/Content/Detail/Report/ce57e6df-70a5-47ec-9692-1852c9218941 https://af.usembassy.gov/covid-19-information/ https://www.gov.uk/foreign-travel-advice/afghanistan/entry-requirements