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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, Jun 23: The meeting between Indian Army's 14 Corps Commander Lt Gen Harinder Singh and his Chinese counterpart got over after around 11 hours, sources said.

"Today's meeting between the Corps Commander-level officers of India and China is over. The meeting which started at 11:30 am went on for around 11 hours. More details awaited," sources said.

The meeting started at around 11:30 am at Moldo on the Chinese side of Line of Actual Control (LAC) opposite Chushul to defuse the tensions in Eastern Ladakh sector due to Chinese military build-up, the sources said.

This is the second meeting between the two corps commanders. They had met on June 6 and had agreed to disengage at multiple locations. India had asked the Chinese side to go back to pre-May 4 military positions along the LAC.

The Chinese side had not given any response to the Indian proposal and not even shown intent on the ground to withdraw troops from rear positions where they have amassed over 10,000 troops.

India is also likely to discuss the change in rules of engagement on the LAC where the forces have been empowered to use firearms in extraordinary circumstances, sources had said.

They said India will also ask China to honour the commitment given during June 6 talks to disengage in the Galwan valley completely and other places.

The build-up of Chinese air assets including strategic bombers by the PLA Air Force in fields near Indian territory close to Ladakh is also likely to figure in discussions.

India and China have been involved in talks to ease the ongoing border tensions since last month.

However, last week as many as 20 Indian soldiers lost their lives in the face-off in the Galwan Valley after an attempt by the Chinese troops to unilaterally change the status quo during the de-escalation in eastern Ladakh.

The Indian intercepts have revealed that the Chinese side suffered 43 casualties including dead and seriously injured in the violent clash.

New Delhi, May 28: With 6,566 more coronavirus cases and 194 deaths reported in the past 24 hours, India's COVID-19 tally reached 1,58,333 on Thursday, according to the Union Ministry of Health and Family Affairs.

The number of active coronavirus cases stands at 86,110, while 67,692 people have recovered and one patient has migrated, it said. The death toll due to the infection has reached 4,531 in the country.

Maharashtra is the worst affected state with 56,948 cases. Tamil Nadu has recorded as many as 18,545 cases while Gujarat and Delhi have recorded 15,195 and 15,257 coronavirus cases respectively.