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Kochi/Mumbai, Jan 24: Two students who recently returned from China have been kept under medical observation at the Ernakulam Government Medical College here for possible exposure to the coronavirus, an outbreak of which in China has triggered a global health scare.

Reports from Mumbai said two persons there too have been put observation at the civic-run Kasturba Hospital in Chinchpokali, PTI reported.

Health officials said no cases of the deadly infection have been detected.

One of the students being screened in Kerala and both being screen in Mumai have reported symptoms such as cold and fever and has been kept in isolation wards.

The additional district medical officer of Ernakulam, Dr S Sreedevi, said samples of the student’s body fluids would be sent to the National Institute of Virology in Pune for tests.

The youngster consulted a doctor at a private hospital and was referred to the Ernakulam hospital in the wake of the virus outbreak in Wuhan city of China.

A stringent screening system has been set up at the Kochi International Airport to screen passengers who have been in the affected province in China. Persons who have been to Wuhan and showing symptoms of cold, cough and fever are being immediately shifted to the Ernakulam hospital.

All quariantine facilities have been put in place there including an isolation ward and a ventilator.

The other person under observation in Kerala is an MBBS student from Kottayam district who recently returned from his college in China. The district medical office said she has no health issues. She was put under observation as a precautionary measure.

In Mumbai, 1,789 passengers have undergone thermal screening at the Chhatrapati Shivaji Maharaj International Airport for the coronavirus since January 19.

Coronavirus cases were first reported from Wuhan, the capital of central Chinas Hubei province in China.

In the wake of the coronavirus outbreak in China, doctors at international airports have been asked to screen travellers for symptoms if they are returning from China. All private doctors have been asked to alert the authorities if they observe symptoms of the coronavirus.

More than 50 million people in India do not have access to effective handwashing, putting them at a greater risk of acquiring and transmitting the novel coronavirus, according to a study.

Researchers from the Institute for Health Metrics and Evaluation (IHME) at the University of Washington in the US found that without access to soap and clean water, over 2 billion people in low- and middle-income nations -- a quarter of the world's population -- have a greater likelihood of transmitting the coronavirus than those in wealthy countries.

According to the study, published in the journal Environmental Health Perspectives, more than 50 per cent of the people in sub-Saharan Africa and Oceania lacked access to effective handwashing.

"Handwashing is one of the key measures to prevent COVID transmission, yet it is distressing that access is unavailable in many countries that also have limited health care capacity," said Michael Brauer, a professor at IHME.

The study found that in 46 countries, more than half of people lacked access to soap and clean water.

In India, Pakistan, China, Bangladesh, Nigeria, Ethiopia, Democratic Republic of the Congo, and Indonesia, more than 50 million persons in each country were estimated to be without handwashing access, according to the study.

"Temporary fixes, such as hand sanitizer or water trucks, are just that -- temporary fixes," Brauer said.

"But implementing long-term solutions is needed to protect against COVID and the more than 700,000 deaths each year due to poor handwashing access," Brauer said.

He noted that even with 25 per cent of the world's population lacking access to effective handwashing facilities, there have been "substantial improvements in many countries" between 1990 and 2019.

Those countries include Saudi Arabia, Morocco, Nepal, and Tanzania, which have improved their nations' sanitation, the researchers said.

The study does not estimate access to handwashing facilities in non-household settings such as schools, workplaces, health care facilities, and other public locations such as markets.

Earlier this month, the World Health Organization predicted 190,000 people in Africa could die of COVID-19 in the first year of the pandemic, and that upward of 44 million of the continent's 1.3 billion people could be infected with the coronavirus, the researchers said.