Originally Posted by
hur88
Most airlines have opted for residual disinfection. Per the Australia Department of Agriculture:
"Residual – is carried out while no passengers are onboard. The entire aircraft is sprayed with a residual insecticide and lasts eight weeks"
Yeah that's what happens. The aircraft is treated. Sometimes they still do the disinfectant with cabin crew walking down the aisles with spray if an aircraft was switched out and they are using one that has not had pre-treatment but it's very uncommon.