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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.

Jul 1: Gold prices in India hit an all-time high on Wednesday, tracking a global rally, as surging coronavirus cases in many countries raised the metal's safe-haven appeal.

Local gold futures hit an all-time high of Rs 48,871 ($646.66) per 10 grams in early trade, taking their gains to 25% in 2020 so far. The contract had gained nearly 25% in 2019.

However, this dampened the retail demand for gold in India, the world's second-largest consumer of the precious metal.

"Retail demand is negligible. Buyers are postponing purchases anticipating a correction in prices," said a Mumbai-based bank dealer with a bullion importing bank.

In thin trade, dealers were offering a discount of up to $22 an ounce over official domestic prices on Wednesday afternoon, up from the last week's $18. The domestic price includes a 12.5% import tax and 3% sales tax.

The country's gold imports in May plunged 99% from a year earlier as international air travel was banned and jewellery shops were closed amid a nationwide lockdown to curb the spread of coronavirus.

In overseas market, spot gold firmed near an eight-year peak on Wednesday, as a spike in coronavirus cases in the United and States and many other countries has cast a shadow on hopes for a quicker global economic recovery, driving inflows into safe-haven assets.

According to a latest Reuters tally, the coronavirus has infected more than 10.48 million people worldwide so far.

New Delhi, Jun 4: India's Defence Secretary Ajay Kumar tested positive for COVID-19 on Wednesday, following which the defence ministry carried out a massive contact-tracing exercise, official sources said.

Kumar's condition is stable and he is currently under home-quarantine, they said.

At least 35 officials working at the ministry's headquarters in South Block in the Raisina Hills have been sent on home quarantine after reports of Kumar testing positive for the infection emerged on Wednesday morning.

There was no official comment on Kumar's health condition. The defence ministry spokesperson refused to comment on the issue.

It is learnt that Defence Minister Rajnath Singh did not attend office as part of a precautionary measure.

The offices of the defence minister, the defence secretary, the Army Chief and the Navy Chief are on the first floor of the South Block.

The sources said all laid down protocols on contact-tracing and quarantining of people are being scrupulously followed.