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Thiruvananthapuram, Apr 5: Eight more COVID-19 positive cases were reported from Kerala on Sunday, four among whom attended the Tablighi Jamat congregation in Delhi and six people were cured, Health Minister K K Shailaja said.

With this, the total number of affected people under treatment in the state has gone up to 256, she said.

"Out of the eight cases, five are from Kozhikode, and one each from Pathanamthitta, Kannur and Kasaragod districts.

In the case of Kozhikode, four out of the five returned from Nizammuddin meet and one from Dubai.

As of date, 10 people who had returned from Nizammuddin in Delhi have been tested positive," the minister said in a release

A total of 314 cases have been reported from Kerala so far and 56 people have been cured, she said

"We have sent 10,221 samples for testing," she said.

A total of 1.58 lakh people are under observation in the state, out of which 776 are in isolation wards in hospitals.

New Delhi, May 31: Indian aviation regulator DGCA on Saturday said the suspension of scheduled international commercial passenger flights will continue till midnight on June 30, hours after the Home Ministry announced fresh guidelines pertaining to the countrywide lockdown to contain the coronavirus pandemic.

"It is once again reiterated that foreign airlines shall be suitably informed about the opening of their operations to or from India in due course," the circular issued by the Directorate General of Civil Aviation (DGCA) said.

Domestic passenger flight services resumed in the country from Monday after a hiatus of two months since the lockdown was announced on March 25, when all scheduled commercial passenger flights were suspended in India. International flights continue to remain suspended even now.

The Home Ministry on Saturday said 'Unlock-1' will be initiated in the country from June 8 under which the nationwide lockdown effectuated on March 25 will be relaxed to a great extent, including opening of shopping malls, restaurants and religious places, even as strict restrictions will remain in place till June 30 in the country's worst pandemic-hit areas.

International air travel shall remain suspended, the MHA order said, adding that a decision on when to resume it would be taken after making an assessment of the situation.

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.