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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.

New Delhi, May 26: With India now in the bracket of top 10 nations worst hit by the novel coronavirus, experts have attributed the surge in cases to easing of travel restrictions and movement of migrants besides enhanced testing capacity.

According to AIIMS Director, Randeep Guleria, the present rise in cases has been reported predominantly from hotspot areas but there is a possibility of further rise in the number of COVID-19 cases in the coming few days due to increased travel.

"Those who are asymptomatic or are in presymptomatic stage will pass through screening mechanisms and may reach areas where there have been minimal or less cases," Guleria said.

He said there was a need for more intense surveillance and monitoring in areas where migrants have returned to contain the spread of the disease.

If proper social distancing and hand hygiene is not maintained at a time when people are out on roads, the coronavirus infection will transmit much faster, he said.

Guleria also noted that testing capacity has been significantly ramped up which is reflecting in the increasing number of cases being detected.

Commenting on the partial resumption of rail and road transport services and migrants returning to their native places, Dr Chandrakant S Pandav, former president of the Indian Public Health Association and Indian Association of Preventive and social medicine, said the floodgates have been opened.

"This is a classic case of creating an enabling environment for coronavirus to spread like wildfire. In the coming few days, the number will rise dramatically. While it is true that lockdown cannot go on forever, the opening up should have been in a measured, calibrated and informed manner," he said.

"Travelling leads to spread of the infection. Now, the government will have to ensure even stronger surveillance to curb the infection but if that will be done is something to be observed," he said.

The death toll due to COVID-19 rose to 4,167 and the number of cases climbed to 1, 45,380 in the country, registering an increase of 146 deaths and 6,535 cases since Monday 8 am, according to the Union Health Ministry.

Dr K K Aggarwal, President of the Confederation of Medical Association of Asia and Oceania (CMAAO), and former IMA President, said there will be a further surge in cases in the coming days if migration continues without any proper social distancing.

"Within the next ten days, the cases will cross two lakh. The very fact that number of cases was rising before the end of the third lockdown and continuing during the fourth lockdown means that people are not following physical distancing as required," he said.

"Even in the last week of May when the temperature is very high, the rising number of cases would mean that human-to-human transmission is more important than surface-to-human transmission. Normally in heat the surface-to-human transmission should have reduced the new cases by half which has not happened," Aggarwal said.

However, Professor K Srinath Reddy, president of the Public Health Foundation of India, said an increase in the number of cases reflects both an increase in testing rates and an increase in spread.

"What we need to see is the number of new tests performed per day and the number of new cases that were identified from them. That gives a better idea of the rate of spread than the total number of new cases alone.

"We also have to see if the testing criteria has remained the same between the two periods of comparison.We may open up gradually but will have to continue case detection, contact tracing and follow personal protection measures as vigorously as possible," he added.

A total of 31,26,119 samples have been tested as on May 26, 9 am and 92,528 samples have been tested in the last 24 hours, ICMR officials said.

India is the tenth most affected nation by the pandemic after the US, Russia, UK, Spain, Italy, Brazil, Germany, Turkey and France, as per the John Hopkins University data.

The country has recorded 6,088, 6,654, 6,767 and 6977 cases on May 22, 23, 24 and 25 respectively. Also, the number of RT-PCR tests for detection of COVID-19 in the country crossed the 30-lakh mark on Monday.

The first two phases of the lockdown led to 14-29 lakh COVID-19 cases being averted, while the number of lives saved in that period was between 37,000 and 78,000, the government said last Friday, citing various studies, and asserted that the unprecedented shutdown has paid "rich dividends" in the fight against the pandemic.

New Delhi, Jul 16: India's pharmaceutical industry will be able to produce Covid-19 vaccines not just for the country but also for the entire world, according to Microsoft co-founder and philanthropist Bill Gates.

A lot of "very important things have been done" in India and its pharma industry is doing work "to help make the coronavirus vaccine building on other great capacities that they have used for other diseases", said the Co-Chair and Trustee of Bill and Melinda Gates Foundation.

Speaking in a documentary -- Covid-19: India's War Against The Virus -- to be premiered on Discovery Plus this (Thursday) evening, Gates said India also faces a huge challenge due to the health crisis because of its gigantic size and urban centres with a lot of population density.

Commenting on the strength of India's pharma industry, he said, "India has a lot of capacity there -- with the drug and vaccine companies that are huge suppliers to the entire world. You know, more vaccines are made in India than anywhere-- starting with Serum Institute, that's the largest."

He further said, "But (there are) also Bio E, Bharat (Biotech), many others. They are doing work to help make the coronavirus vaccine, building on other great capacities that they have used for other diseases."

Stating that India joined Coalition for Epidemic Preparedness Innovations (CEPI), which is a group working on a global basis to build vaccines platforms, Gates said, "I am excited that the pharmaceutical industry there will be able to produce not just for India but also for the entire world. (This is) What we need to reduce the deaths and make sure we are immune, which is how we end the epidemic."

Gates said Bill and Melinda Gates Foundation is also a "partner with the government, particularly with the department of biotechnology, the Indian Council of Medical Research (ICMR) and the office of the principal scientific advisor provide advice and help about getting these tools going".

Commenting on the deadly virus breaching India's borders in the documentary which was shot extensively during the period of lockdown, he said, "India is still at the beginning of this, but there's a lot of very important things have been done.

“It's a huge challenge with India because you've got a gigantic country. You've got your urban centers with a lot of density-- and so that-- drives the spread. You have people moving around."

He, however, added: "Yet people are stepping up... Looking at how we reduce the spread while trying not to reduce food availability, equipment that people need."

Highlighting Gates foundation's role, he said it has "worked for the Indian government on health issues like introducing new vaccines over the last decade; and so when Covid-19 came along, we stepped in and said you know where are the gaps, we have been funding work on detection and isolation.

“We have been particularly active in UP and Bihar where we have done health delivery in the past."

The foundation is also working with the department of personnel and training to take their online training platforms and "are now using that guidance to help their frontline health workers", Gates said.