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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.

New Delhi, Mar 12: The coronavirus pandemic could deal a crippling blow to the Indian travel and tourism industry, specially with the government suspending all visas, with the economic impact being assessed to run into thousands of crores of rupees. According to industry chamber CII, this is the one of the worst crises ever to hit the Indian tourism industry impacting all its geographical segments - inbound, outbound and domestic, almost all tourism verticals - leisure , adventure, heritage, MICE, cruise, corporate and niche segments.

The whole tourism value chain across hotels, travel agents, tour operations, destinations, restaurants, family entertainment venues and air, land and sea transportation have been hit.

In an impact assessment of the coronavirus pandemic, CII Tourism Committee said inbound foreign tourism of over USD 28 billion in value terms accounts for an average 60-65 per cent between October to March.

"As the news of the virus started picking up from November, the percentage of cancellations started going up in this segment exponentially and is reaching a peak of almost 80 per cent now in March in many Indian locations. The value at risk from this segment will be in multiples of tens of thousands of crores," the CII assessment report said.

With India cancelling all visas, the chamber said the impact "will be worse".

It further said,"The forward bookings for the inbound season of October 2020-March 2021 which should have started picking are all muted. These are showing highly discouraging signs with cancellations of important global travel marts which are marketplaces for contracting for the next season."

It further said there are reports of large scale forward cancellations from NRI segment from developed markets, which account for over 60 per cent during April to September inbound visits.

"Unless the progression of the virus stops, almost the entire value for the remainder of 2020 season is at risk," the report added.

ANAROCK Property Consultants Chairman Anuj Puri said India's hospitality sector will definitely be impacted by the announcement of a global pandemic, and the mounting numbers of confirmed coronavirus cases in the country.

"The cancellation of visas for foreigners as well as the strong advice issued to Indians to refrain from unnecessary travel will have a marked effect. This is the most unsettling healthcare crisis in recent times and hotel bookings will go south," he added.

On Indians being advised to refrain from unnecessary travel, as per the CII report almost 28 million plus Indians are estimated to have travelled outside in 2019 and there were almost 1.8 billion domestic tourist footfalls.

The holiday season of Indians -- those travelling within the country and outside -- is heavy in April-July, October and December.

"The December holiday season of 2019 took an estimated hit of almost 40-50 per cent, the holiday season of April to July 2020 is likely to take a humongous hit which could be as high as 80-100 per cent, unless there is positive news of the progression of virus decreasing," the CII assessment report said.

There are advanced cancellations and highly reduced forward booking pipelines for the holiday season. Only corporates are flying and that too only on highly essential same day travel. Most of the MNCs are advising work from home, stifling travel, it added.

On suspension of visas, MakeMyTrip Group CEO Rajesh Magow told ,"The period between February till the end of March is typically a lean period because of exam season but we are seeing a demand slowdown for the upcoming summer holiday season especially for international travel. The situation remains dynamic making it hard to quantify the actual impact on our business and industry at large."

He further said,"The decision by the government will have an impact on inbound and outbound international travel. So far there are no restrictions or advisories issued for domestic travel."

VFS Global Regional Group COO - South Asia, Middle East and North Africa, Americas Vinay Malhotra said,"While it is too early to comment on the impact of coronavirus on visa application trends, so far, our visa application processes in India continue on schedule as per the mandates of our client governments."

He also said the company is exploring steps to assuage concerns of people about visiting busy public areas due to the nature of the virus by considering discounted rates on courier return services for visa customers who want to avoid returning to the visa centres to pick up their passports.

Besides, he said,"We are also contemplating lower fees for our Visa at your doorstep service, for those customers who are requesting an alternative to visiting the centres to submit visa applications."

New Delhi, Jan 15: The mother of 23-year-old paramedic student, who was raped and brutally assaulted by six men in December 2012, on Tuesday said she knew that the curative petitions of the convicts will be rejected and is confident that they will be hanged on January 22.

Her remarks came after the Supreme Court on Tuesday refused to stay the execution of two of the four death row convicts in the 2012 Nirbhaya gang rape and murder case while dismissing their curative petitions against their conviction and capital punishment.

"The curative please had to be rejected. This was the third time they had gone to the Supreme Court. Whatever pleas they file, we are ready to face them and we will fight it out. We feel that they will be hanged on January 22. We want that to happen," Nirbhaya's mother told PTI over phone.

The four convicts -- Vinay Sharma (26), Mukesh Kumar (32), Akshay Kumar Singh (31) and Pawan Gupta (25) -- are to be hanged on January 22 at 7 am in Tihar jail as a Delhi court issued their death warrants on January 7.

Vinay and Mukesh had filed curative petitions on January 9.

Shortly after the apex court refused to stay the execution of two of them, Mukesh moved a mercy petition before President Ram Nath Kovind.

Mukesh also approached the Delhi High Court for quashing the death warrant. The high court is expected to take up his petition on Wednesday.