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Thiruvananthapuram, Apr 22: Eleven more people tested positive for COVID-19 in Kerala with totalpositive cases in the State touching 437on Wednesday.

Two house surgeonsof the Kozhikode Medical college are among those who have tested positive for the virus.

The two had travelled outside the state,Chief Minister Pinarayi Vijayan told reporters.

Kannur reported seven cases, Kozhikode two, while one case each was reported from the districts of Kottayam and Malappuram.

Only one person tested negative.

The state has 127 active cases and 29,000 people are under observation, including 346 in hospitals.

Mumbai, Jun 22: After downgrading India's outlook to negative from stable, Fitch Ratings on Monday revised the outlook on nine Indian banks to negative.

The outlook on the Long-Term Issuer Default Ratings (IDR) was revised to negative from stable due to the banks' high dependence on the Centre to re-capitalise them.

Accordingly, the IDR outlook of the Export-Import Bank of India, the State Bank of India, the Bank of Baroda, the Bank of Baroda (New Zealand), the Bank of India, the Canara Bank, the Punjab National Bank, ICICI Bank and Axis Bank Ltd have been downgraded to negative.

"At the same time, Fitch has affirmed IDBI Bank Limited's (IDBI) IDR while maintaining the outlook at negative," Fitch said in a statement.

The rating actions follow Fitch's revision of the outlook on the 'BBB-' rating on India to negative from stable on June 18, due to the impact of the escalating coronavirus pandemic on India's economy.

"The IDRs for all the above Indian banks are support-driven and anchored to their respective SRFs," the statement said.

"They are based on Fitch's assessment of high to moderate probability of extraordinary state support for these banks, which takes into account our assessment of the sovereign's ability and propensity to provide extraordinary support."

According to the statement, the negative outlook on India's sovereign rating reflects an increasing strain on the state's ability to provide extraordinary support, due to the sovereign's limited fiscal space and the significant deterioration in fiscal metrics due to challenges from the COVID-19 pandemic.

"The rating action does not affect the banks' Viability Rating (VR). EXIM does not have a VR as its role as a policy bank makes an assessment of its standalone credit profile less meaningful."

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.