COVID-19 patients with low immunity from contracting other infections from their surroundings.Patients can be incubated in the trolley and tests, such as sonography, can also be done when the patient is inside the chamber, Wagh said, adding that engineers and experts are working on ways to install the chamber in ambulances and make it compatible for CT scans.Click here to read the Mint ePaperLivemint.com is now on Telegram.