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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.

The decision of the Indian government to ease the coronavirus-linked global travel restrictions imposed on those having OCI cards has given a big relief to many stranded overseas citizens of India across the world.

OCI card is issued to people of Indian origin globally which gives them almost all the privileges of an Indian national except for the right to vote, government service and buying agricultural land. The OCI card gives them a visa-free travel to India.

On Friday, the central government allowed certain categories of OCI card holders, who are stranded abroad, to come to the country. Earlier, according to the regulations issued by the Indian government in April, visas of foreign nationals and OCI cards were suspended as part of the new international travel restrictions following the COVID-19 pandemic.

This privilege of visa free travel to India was causing distress among a large number of people of Indian-origin and Indian citizens in countries like the US whose children were OCI card holders as they were born in this country.

Many Indian parents, several of whom lost their jobs as a result of the economic crisis due to coronavirus pandemic, but were not allowed to take the special evacuation flights of Air India from various US cities, took to social media and urged the Indian leaders to allow them to travel to India.

“This is a big relief for the OCI card holders. It was a humanitarian crisis in the making. I am pleased that the Indian Government listened to their voices,” said social activist Prem Bhandari, chairman of Jaipur Foot USA, who has been taking up the cause of the OCI card holders.

Dr Arathi Krishna, former deputy chairperson of NRI Forum of Karnataka government, who had been demanding this relaxation, many of the thousands of stranded OCI card holders in defferent parts of the world were in pursuading her to exert pressure on the authorities concerned for this much needed relaxation.

The restrictions on traveling of OCI card holders to India was issued by govt of India on March 13 in the wake of global outbreak of coronavirus pandemic. 

She said: "Many parents who are Indian nationals could not travel for emergency purpose to India after repatriation flights started due to their minor children being OCI card holders. Many children who were OCI card holders could not travel to India to perform last rites when there was death in their family due to these restrictions"

"I was constantly pressurising and bringing these issues to the attention of ministry officials in External Affairs and Home Affairs departments. I was following up with Mr Dammu Ravi who is heading the COVID task force  task firce in the ministry of overseas Indian affairs who took interest in solving this problem through his consistent efforts with MHA. Iam thankful to Fireign Secretary too for his efforts and concern and to MHA for making it easier now for OCI card holders to travel in repatriation flights with emergency reasons," she said.

Social media giant Twitter briefly blocked the Karnataka BJP's account after it posted several provocative tweets and taunted Muslim women.

Ironically, the BJP called its unhygienic tweets as "liberal views". "It is unfortunate that our handle was locked out by Twitter for speaking the truth about liberals," it said.

"A big thanks for your support and encouragement. Satymeva Jayate. Jai Hind," the political party said to its supporters.

However, it did not specify for how long Twitter blocked its account but tweeted again on Wednesday after Monday.

Last week Karnataka BJP drew flak on Twitter for taking a swipe at Muslim women who appear to be standing in a line to vote in Delhi's assembly polls. ""Kaagaz Nahi Dikayenge Hum" ! ! ! Keep the documents safe, you will need to show them again during NPR exercise (sic)," the party's Karnataka Twitter handle posted using the hashtag #DelhiPolls2020.

It tweeted on Monday, accusing Congress leaders Sonia Gandhi, Manmohan Singh, Sushil Kumar Shinde and Vijay Bahuguna for "cheating" Dalits.

Karnataka BJP spokesperson G. Madhusudhan said that he had no idea about the account being blocked and then unblocked by Twitter.

"What has happened? I don't know," said Madhusudhana.

Reacting to the drubbing BJP suffered in the Delhi Assembly polls, the party tweeted that there is no need to lose heart.

"Now is the time to go back to voters to win their hearts and minds. Let us plan for 2025 from today. We are with you," tweeted Karnataka BJP on Wednesday.

Though BJP congratulated Arvind Kejriwal-led Aam Aadmi Party (AAP) for winning the Delhi polls, the party highlighted that it managed to increase it vote share by six per cent compared to 2015.

Also Read: Karnataka BJP taunts Muslim women, asks them to keep document safe for NPR