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New Delhi, Apr 5: Joining efforts to fight COVID-19, the Defence Research and Development Organisation (DRDO) has designed a full-body disinfection chamber and a special face protection mask for healthcare professionals, officials said.

The special chamber called 'PSE' has been designed by Vehicle Research Development Establishment (VRDE), Ahmednagar, a DRDO Laboratory.

The walk through enclosure is designed for personnel decontamination, one person at a time. It is a portable system equipped with sanitiser and soap dispenser, officials said.

The decontamination is started using a foot pedal at the entry. On entering the chamber, electrically-operated pump creates a disinfectant mist of hypo sodium chloride for disinfecting, the DRDO said in a statement.

The mist spray is calibrated for an operation of 25 seconds and stops automatically indicating completion of operation. As per procedure, personnel undergoing disinfection will need to keep their eyes closed while inside the chamber, it said.

The system consists of roof mounted and bottom tanks with a total of 700 litres capacity. Approximately 650 personnel can pass through the chamber for disinfection until the refill is required, the DRDO said.

The system has see-through glass panels on side walls for monitoring purpose and is fitted with lights for illumination during night-time operations, it added.

This system can be used for disinfection of personnel at the areas of controlled ingress and egress such as entry and exit to hospitals, malls, office buildings and critical installations, officials said.

Also, Research Centre Imarat (RCI), Hyderabad, and Terminal Ballistics Research Laboratory (TBRL), Chandigarh, have developed face protection mask for healthcare professionals handling COVID-19 patients, the DRDO added.

Its light weight construction makes it convenient for comfortable wear for long duration. This design uses commonly available A4 size Over-Head Projection (OHP) film for face protection, it said.

One thousand face shields are being produced daily in TBRL and provided to Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, it said.

Similarly, 100 are produced at RCI and these have been handed over to Employees' State Insurance Corporation (ESIC), Hyderabad. A demand of 10,000 shields has been received from PGIMER and ESIC hospitals based on successful user trials, the DRDO added.

New Delhi, Jun 20: The government-imposed upper and lower limits on airfares may be extended beyond August 24 depending upon how the situation turns out, Aviation Secretary P S Kharola said on Saturday.

The government resumed domestic passenger flights from May 25 after nearly two months of suspension to combat the coronavirus outbreak, but placed lower and upper limits on airfares depending upon the flight duration.

It had said on May 21 that these limits would be in place for a period of three months.

"Depending on how the situation turns out, the fare band may have to adjusted beyond that (August 24) also. But right now, it is only for three months," Kharola said at a press conference here.

International passenger flights continue to remain suspended in the country.

However, the government started Vande Bharat Mission on May 6 to help stranded people reach their destinations through special flights.

Aviation Minister Hardeep Singh Puri said at the conference that during phase 3 and phase 4 of the mission, private domestic airlines have been approved to operate 750 international flights to repatriate people stranded amid the coronavirus pandemic.