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New Delhi, Jul 21: The Centre has written to all states and union territories warning against the use of N-95 masks with valved respirator by people, saying these don't prevent the virus from spreading out and are "detrimental" to the measures adopted for its containment.

The Director-General of Health Services in the Ministry of Health, in a letter to the Principal Secretaries of health and medical education of states, said it has been observed that there is "inappropriate use" of N-95 masks, particularly those with valved respirator, by the public other than designated health workers.

The DGHS referred to the advisory on the use of homemade protective cover for face and mouth available on the website of the Ministry of Health.

"It is to bring to your knowledge that the use of valved respirator N-95 masks is detrimental to the measures adopted for preventing the spread of coronavirus as it does not prevent the virus from escaping out of the mask. In view of the above, I request you to instruct all concerned to follow the use of face/mouth cover and prevent inappropriate use of N-95 masks," DGHS Rajiv Garg said in the letter.

The government had in April issued an advisory on the use of homemade protective cover for face and mouth, asking people to wear it, particularly when they step out of their residences.

The advisory stressed such face covers must be washed and cleaned each day, as instructed and states that any used cotton cloth can be used to make this face cover. 

The colour of the fabric does not matter but one must ensure that the fabric is washed well in boiling water for five minutes and dried well before making the face cover. Adding salt to this water is recommended, it said.

It also listed the procedures of making such homemade masks, asking to ensure it fits the face well and there are no gaps on the sides.

It urges people to wash hands thoroughly before wearing the face cover,  switching to another fresh one as the face cover becomes damp or humid, and never reusing it after single use without cleaning it. 

"Never share the face cover with anyone. Every member in a family should have separate face cover," the advisory stated.

New Delhi, April 5: People were seen buying diyas and candles across the country to light them at 9 p.m. on Sunday to fight the "darkness of coronavirus" as requested by Prime Minister Narendra Modi.

Although the country is under a lockdown and all the shops barring those selling essential items are shut, but a number of makeshift roadside shops and carts have cropped up selling earthen lamps or diyas at various places.

The earthen lamps, along with other 'puja samgari', are also sold near various temples. Those shops also opened on Sunday.

Gatherings at the temples and other religious places too are barred.
Those who did not find diyas in their localities contended with candles available at the local general stores.

Prime Minister Narendra Modi had on April 3 appealed to people in a televised address to light diyas and candles on April 5 at 9 pm to fight the darkness spread by coronavirus pandemic.

"Friends, amidst the darkness spread by the corona pandemic, we must continuously progress towards light and hope. We must defeat the deep darkness of the crisis by spreading the glory of light in all four directions," said the Prime Minister in a video message.

"And that is why, this Sunday, on April 5, we must all together, challenge the darkness spread by the corona crisis, introducing it to the power of light. On this day, we must awaken the superpower of 130 crore Indians. We must take the super resolve of 130 crore Indians to even greater heights," Modi said.

He asked the people to turn off all the lights in their homes and stand at doors or balconies and light candles or diyas, torches or mobile flashlights for 9 minutes on April 5.

"In that light, in that lustre, in that radiance, let us resolve in our minds that we are not alone, that no one is alone! 130 crore Indians are committed, through a common resolve!" he said.
PM Modi's call to light diyas, torches or mobile flashlights amid the lockdown has proved to be a boon for shopkeepers selling diyas and candles.

"Sales of diyas have increased to 50 per cent and we also got orders. It has happened because of Modi ji's appeal. We are with him in this," Ram Ravi Kumar, a shopkeeper in Delhi told news agency.

Vikas Kumar, a resident of Patna, said, "I have bought 50 diyas for today. PM Modi had said that people have to light the diyas for nine minutes after switching off light at home."
Modi has asked citizens to not assemble anywhere while participating in this programme and emphasised on the importance of social distancing to prevent coronavirus spread.

Meanwhile, the number of positive cases of coronavirus in the country continues to surge. As per the Ministry of Health and Family Welfare, the total number of confirmed COVID-19 cases is 3,374 with 79 deaths.

New Delhi, May 1: The Centre has finalsed the criteria for delimitation of various zones after May 3. It has identified at least 130 districts as red zones, 284 orange zones and 319 green zones.

According to a letter written by Health Secretary Preeti Sudan to the Chief Secretaries of all States and UTs, all the states have to delineate the containment areas and buffer zones in the identified red and orange zone districts and notify the same.

The letter said, the national capital has at least 11 red zones, Uttar Pradesh 19 red zones, 36 orange zones and 20 green zones while, the state of Haryana has 2 red zones, 18 orange zones and 2 green zones.

The Gautam Buddha Nagar in Uttar Pradesh has been identified as a red zone district while, Ghaziabad has been designated as an orange zone. The national capital has no orange and green zone; there are only red zones according to the letter.

In Maharashtra, Mumbai, Pune, Thane, Nashik come in the red zone.

In West Bengal, Kolkata, Howrah, 24 Parganas -- both North and South have been identified as red zones while Hooghly, Nadia, Murshidabad etc have been marked as orange zones.

In the southern part of India, Kerala has 2 red zones and 10 orange zones, while Tamil Nadu has 12 red zones and 24 orange zones.

The Health Secretary said that the list will be revised on a weekly basis or earlier and communicated to states for further follow-up action in consonance with the directions issued by the Ministry of Home Affairs under the Disaster Management Act, 2005 based on field feedback and additional analysis at state level, states may designate additional red or orange zones as appropriate.

However, states may not relax the zonal classification of districts classified as red or orange as communicated by the Ministry. This classification is multi-factorial and takes into consideration incidence of cases, doubling rate, extent of testing and surveillance feedback to classify the districts.

A district will be considered under green zone, if there are no confirmed cases so far or there is no reported case since the last 21 days in the district.