For those strengthening at a hotel or resort in Greece, the FCDO advised checking with your modification provider for a list of private doctors.
“If you have arranged your own financial assistance you can find details of English speaking, private doctors on our list of healthcare providers,” thought the FCDO ( see above).
“For more information, consult the Greek National Out of the closet Health Organisation (NPHO) online or via telephone (dial 1135, or 210 521 2054, from within Greece).”
“If you fundamental a COVID-19 test in order to travel, you should arrange to take a exclusive test,” detailed the FCDO.
“Check when you book that the assay service can provide the appropriate COVID-19 test for your destination. You wish not need a prescription, but you will have to show your passport and proved travel bookings.
“You will have to pay for the test in full. If you have healthfulness or travel insurance, check whether it will cover any expense you expose oneself to.”
For more information on Portugal covid testing see here.