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New Delhi, Fevb 10: Of the countries most at risk of importing coronavirus cases, India ranks 17th, researchers have found on the basis of a mathematical model for the expected global spread of the virus that originated in China's Wuhan area in December 2019.

So far, India has reported three coronavirus positive cases -- all from Kerala.

Among the airports in India, the Indira Gandhi International Airport in New Delhi is most at risk, followed by airports in Mumbai, Kolkata, Bengaluru, Chennai, Hyderabad and Kochi, according to the model.

The new model for predicting global novel coronavirus cases has been developed by researchers from Humboldt University and Robert Koch Institute in Germany.

"The spread of the virus on an international scale is dominated by air travel," said the study.

"Wuhan, the seventh largest city in China with 11 million residents, was the relevant major domestic air transportation hub with many connecting international flights before the city was effectively quarantined on January 23, 2020, and the Wuhan airport was closed. By then the virus had already spread to other Chinese provinces as well as other countries," it added.

The researchers said that it is possible to estimate how likely it is that the virus spreads to other areas by looking at air travel passenger numbers.

"The busier a flight route, the more probable it is that an infected passenger travels this route. Using these probabilistic concepts, we calculate the relative import risk to other airports. When calculating the import risk, we also take into account connecting flights and travel routes that involve multiple destinations," said the study.

The top 10 countries and regions at risk of importing coronavirus cases are: Thailand, Japan, South Korea, Hong Kong, Taiwan, USA, Vietnam, Malaysia, Singapore and Cambodia, according to the model.

While Thailand's national import risk is 2.1%, it is 0.2% for India, found the research.

The foundation of the model is the worldwide air transportation network (WAN) that connects approximately 4,000 airports with more than 25,000 direct connections.

The model accounts for both, the current distribution of confirmed cases in mainland China as well as airport closures that were implemented as a mitigation strategy.

This network theoretic model is based on the concept of effective distance and is an extension of a model introduced in the 2013 paper "The Hidden Geometry of Complex, Network-Driven Contagion Phenomena" published in the journal Science.

The current outbreak of the 2019-nCoV virus started in Wuhan city, Hubei province, China. While the first cases were reported as early as December 8, 2019, the outbreak gained global attention on December 31, 2019, when the World Health Organization was alerted to "several cases of pneumonia" by an unknown virus.

The new virus was soon identified as a novel coronavirus and named 2019-nCOV. It belongs to the family of viruses that include the common cold and viruses such as SARS and MERS. On January 20, 2020, it was confirmed that the coronavirus can be transmitted between humans, greatly increasing the risk of a global spread.

The death toll due to the novel coronavirus outbreak in China has increased to 811 on Sunday, surpassing that of the Severe Acute Respiratory Syndrome (SARS) epidemic in 2003.

Although about 20 countries have confirmed cases, China has accounted for about 99 per cent of those infected. The first foreign victims of the virus both died on Saturday in Wuhan.

Jan 18: To mark the 30th anniversary of the mass exodus of Kashmiri Pandits from the Valley, members of the community took to social media to post videos of themselves by narrating the "Hum Aayenge Apne Watan" dialogue from an upcoming flick, 'Shikara', with the hope that they would return to their homeland one day.

On January 19, 1990, lakhs of Kashmiri Pandits were forced to leave their homes in the Valley following a genocidal campaign launched by the terrorists.

Theatre actor Chandan Sadhu participated in the campaign and said that Kashmiri Pandits have shown "unimaginable resilience" and hope to return to the Valley soon.

"As Kashmiri Pandits complete 30 years in exile this weekend, let our cry for justice be finally noticed. We have shown unimaginable resilience, and today we resolve to return home. Kashmiri Pandit friends: please record this video statement and put it up with #HumWapasAayenge," Sadhu tweeted.

The #HumWapasAayenge is trending on Twitter as more and more Kashmiri Pandits joined in the campaign to narrate the "Hum Aayenge Apne Watan" dialogue and a pledge to return to their homes.

Noted political commentator Sunanda Vashisht tweeted a throwback image of herself and said that resolve to go back home has strengthened more.

"I don't have many pictures left of my childhood. Choosing between life and family albums is really no choice at all. When lives were rescued, family albums got left behind. 30 years have passed. Resolve to go back home has only strengthened. #HumWapasAayenge," she tweeted.

Radio personality Khushboo Mattoo tweeted a video repeating the dialogue from Shikara and tweeted, "Said this in a BBC interview three years back. And I am saying it again #HumWapasAayenge #Shikara."

Journalist Rahul Pandita also took to his Twitter and captioned his post saying, "30 years of exile from Kashmir. Let us now pledge that we will return home."

'Shikara' chronicles the exodus of Kashmiri Pandits from the Valley on the night of January 19, 1990. Helmed by Vidhu Vinod Chopra, the movie is slated to release on February 7.

Netizens have supported the initiative and have expressed solidarity with the Kashmiri Pandits.

In July last year, Home Minister Amit Shah said in the Rajya Sabha that the central government is committed to bringing Kashmiri Pandits and Sufis back to the Valley saying a time will come when they will offer prayers at the famous Kheer Bhawani temple.

"Kashmiri Pandits were forced to leave Kashmir. Many of their shrines were demolished. Sufism was targeted in Jammu and Kashmir. Sufism used to talk about unity and harmony but they were attacked. No voice was raised in favour of Kashmiri Pandits and Sufis when they were brutally attacked. Sufis used to talk about the unity among Hindus and Muslims but they were forced to leave the Valley. Narendra Modi-led government is committed to bringing back Kashmiri Pandits, he had said.

The Mata Kheer Bhawani temple is one of the holiest shrines of Kashmiri Pandits, located about 14 kilometres east of Srinagar.

Last September, a delegation of the Kashmiri Pandit community met the Prime Minister in Houston and thanked him for the historic decision to abrogate Article 370 that gave special status to Jammu and Kashmir.

Modi acknowledged the hardships endured by the community following their exodus from their ancestral homeland back in 1989-1990 due to militancy.

"You have suffered a lot, but the world is changing. We have to move ahead together and build a new Kashmir," the Prime Minister had told the delegation.

"I had a special interaction with Kashmiri Pandits in Houston," Modi had tweeted following the interaction.

In October, Union Minister Prakash Javadekar announced that the Centre has decided to provide compensation of Rs 5.5 lakh each to 5,300 displaced families from Pakistan-occupied Kashmir (PoK), who initially opted to move outside Jammu and Kashmir but later on returned.

These families were earlier left out in the rehabilitation package that was approved by the Cabinet on November 30, 2016.

The Prime Minister had announced a reconstruction plan for Jammu and Kashmir in November 2016. His plan included a rehabilitation package for a one-time settlement of 36,384 displaced persons' (DPs) families of PoK-1947 and Chhamb.