New technology on planes could create "air curtains" around passengers to reduce the risk of contracting Covid-19. Design and innovation firm Teague says its AirShield can clip over the dials of the air conditioning units above seats to "adapt aircraft cabin airflow to prevent the spread of viruses". It claims to keep coughs and sneezes within the confines of a single passenger before removing them via the plane's air filtration system. The Seattle-based company says the AirShield can be 3D-printed, retrofitted to existing aircraft and will help restore consumer confidence in air travel as airlines begin to resume flights for the first time since the pandemic lockdown.