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New Delhi, Apr 15: The Union Health Ministry has identified 170 districts as COVID-19 hotspots and 207 districts as potential hotspots, officials said on Wednesday, reiterating that there has been no community transmission of the disease in the country so far.

Addressing the daily briefing to provide updates on coronavirus situation in the country, Joint Secretary in the Ministry of Health Lav Agarwal said that states have been asked to classify districts which have reported a higher number of cases as hotspots, the districts where cases have been reported as non-hotspots, and green zones where no cases have been reported.

"Hotspots are those districts which are reporting more number of cases or where the rate of growth of COVID-19 cases is high," Agarwal said, adding a detailed direction has been issued to states stating consolidated efforts are required to utilise this period of lockdown to curb the spread of the virus.

"Cabinet secretary held a video conference today with all chief secretaries, DGPs, health secretaries, collectors, SPs, municipal commissioners and CMOs where hotspots were discussed and orientation on field level implementation of containment strategy was given.

"They were told about large outbreak containment strategies, cluster containment strategies. Delineation of buffer and containment zone, parameter mapping, defining of entry and exit points were also discussed in detail," he said.

The joint secretary said movement of people will not be allowed in containment zones except for those related with essential services and special teams will search for new cases and samples will be collected and tested as per sampling criteria.

The officials said that health facilities in buffer zone outside the containment zone will be oriented and people facing SARI and influenza-like symptoms will be tested there.

"Special teams have been formed which will work in containment zone and do contact tracing and house-to-house surveys. Cases of fever, cough and breathlessness will be identified in the survey and requisite action will be taken as per protocol," Agarwal said, adding that there has been no community transmissions so far but some local outbreaks.

The total number of COVID-19 cases in India has risen to 11,439 with 1,076 fresh cases reported in the last 24 hours while the death toll stands at 377, the ministry official said.

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.