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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.

Lucknow, May 27: Uttar Pradesh chief minister Yogi Adityanath has taken a U-turn, two days after he declared that permission would be needed if other states employ workers from UP.

The issue sparked a major controversy and an official spokesman has now said that the government would not include this clause of 'prior permission' in the bye-laws of the Migration Commission.

The government spokesman also said it was working on modalities to set up the commission to provide jobs and social security to migrant workers returning to the state. It has named the migration commission as the "Shramik Kalyan Aayog (Workers welfare commission).

About 26 lakh migrants have already returned to the state and an exercise to map their skills is being carried out to help them get jobs.

Yogi Adityanath has discussed the modalities for setting up the commission and told his officers to complete the skill mapping exercise in 15 days.

A senior official of Team 11, said, "The chief minister discussed the modalities for setting up the commission, as well. There will be no provision requiring other states to seek UP government's prior permission for employing our manpower. The commission is being set up to provide jobs and social security to the workers. We will also link the migrants to the government schemes to provide them houses and loans etc."

Yogi Adityanath said a letter should be sent to all state governments to find out about migrant workers wanting to come back to Uttar Pradesh.

Earlier, the chief minister, while speaking at a webinar on Sunday, had said, "The migration commission will work in the interest of migrant workers. If any other state wants UP's manpower, they cannot take them just like that, but will have to seek permission of the UP government. The way our migrant workers were ill-treated in other states, the UP government will take their insurance, social security in its hands now. The state government will stand by them wherever they work, whether in Uttar Pradesh, other states or other countries."

The statement had sparked a row with some political leaders and parties questioning the move.

Former Congress president Rahul Gandhi sharply criticized Adityanath's stand, saying the workers were not the chief minister's personal property.

"It is very unfortunate that the chief minister of Uttar Pradesh views India in such a way. These people are not his personal property. They are not the personal property of Uttar Pradesh. These people are Indian citizens and they have the right to decide what they want to do and they have the right to live the life they want to live," he had said.

Maharashtra Navnirman Sena chief Raj Thackeray had also taken on Adityanath and said that if UP insists on "permission" before other states can employ workers from there, "then any migrant entering Maharashtra would need to take permissions from us, from the Maharashtra state, our police force too."

Meanwhile, the government spokesman said, "The chief minister is deeply moved by the condition of migrants. They have been treated badly by other states. So, when the chief minister spoke about the need for seeking UP government's permission, he did so as a guardian for workers. It's only his concern for the migrants that came out as a political statement."

Several India-based firms are spoofing the World Health Organisation (WHO) by creating fake Gmail accounts and luring business leaders in disguise of informing them of latest COVID-19 announcements and hack their personal and financial information, Google has warned.

These "hack-for-hire" firms, many based in India, have been creating Gmail accounts spoofing the WHO, largely targeting business leaders in financial services, consulting, and healthcare corporations within numerous countries including, the US, Slovenia, Canada, India, Bahrain, Cyprus, and the UK.

"The lures themselves encourage individuals to sign up for direct notifications from the WHO to stay informed of COVID-19 related announcements, and link to attacker-hosted websites that bear a strong resemblance to the official WHO website," security researchers from Google's Threat Analysis Group said on Wednesday.

The sites typically feature fake login pages that prompt potential victims to give up their Google account credentials, and occasionally encourage individuals to give up other personal information, such as their phone numbers.

On any given day, Google's Threat Analysis Group (TAG) said it is tracking more than 270 targeted or government-backed attacker groups from more than 50 countries.

Last month, it sent 1,755 warnings to users whose accounts were targets of government-backed attackers.

"Our team of analysts and security experts is focused on identifying and stopping issues like phishing campaigns, zero-day vulnerabilities and hacking against Google, our products and our users," said the tech giant.

Google continues to see attacks from groups like Charming Kitten on medical and healthcare professionals, including WHO employees.

"We're seeing a resurgence in COVID-related hacking and phishing attempts from numerous commercial and government-backed attackers," said the company.

Government-backed or state-sponsored groups have different goals in carrying out their attacks: Some are looking to collect intelligence or steal intellectual property; others are targeting dissidents or activists, or attempting to engage in coordinated influence operations and disinformation campaigns.

Google said that since March, it has removed more than 1,000 YouTube channels that were part of a large campaign and behaving in a coordinated manner.

"These channels were mostly uploading spammy, non-political content, but a small subset posted primarily Chinese-language political content similar to the findings of a recent Graphika report," said the company.

Several cybersecurity firms have seen a spike in COVID-19 related scams and hacking attempts. Hackers are also creating scam sites similar to COVID-19 relief packages.

Researchers at Check Point Software Technologies revealed in mid-May that they have seen 192,000 coronavirus-related cyber-attacks per week over the past three weeks, a 30 % increase compared to previous weeks.