Jim yes we are on Qatar. I just checked and our test result do have the lab address on it. If you are worried about that, we went to a place called Covid Clinic and they have several locations around So Cal including Ontario airport, Brea Mall .... The airport location was drive thru and the results were to us by 3pm the following day as promised.
FYI we also have that 9 hour layover in Doha but we booked the airport hotel rather than spending all that time in the lounge. If you are interested I’ll let you know if I think that is worth it.
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Helen