// as i mentioned what about the passengers on the flight, one hopes they haven't got covid.//
as i mentioned before this doesnt seem to be a problem about the passengers on the flight,
" In April 1994, a passenger with infectious multidrug-resistant tuberculosis traveled on commercial-airline flights ....."
the passengers donutting the index patient converted and no one else did ....efficient dry air con it seems
( lucky no one reads what I write and I can just paste and repeat at monthly intervals)