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Washington, Jun 30: Researchers in China have discovered a new type of swine flu that is capable of triggering a pandemic, according to a study published Monday in the US science journal PNAS.

Named G4, it is genetically descended from the H1N1 strain that caused a pandemic in 2009.

It possesses "all the essential hallmarks of being highly adapted to infect humans," say the authors, scientists at Chinese universities and China's Center for Disease Control and Prevention.

The researchers then carried out various experiments including on ferrets, which are widely used in flu studies because they experience similar symptoms to humans -- principally fever, coughing and sneezing. 

G4 was observed to be highly infectious, replicating in human cells and causing more serious symptoms in ferrets than other viruses.

Tests also showed that any immunity humans gain from exposure to seasonal flu does not provide protection from G4.

According to blood tests which showed up antibodies created by exposure to the virus, 10.4 percent of swine workers had already been infected.

The tests showed that as many as 4.4 percent of the general population also appeared to have been exposed.

The virus has therefore already passed from animals to humans but there is no evidence yet that it can be passed from human to human -- the scientists' main worry.

"It is of concern that human infection of G4 virus will further human adaptation and increase the risk of a human pandemic," the researchers wrote.

The authors called for urgent measures to monitor people working with pigs.

"The work comes as a salutary reminder that we are constantly at risk of new emergence of zoonotic pathogens and that farmed animals, with which humans have greater contact than with wildlife, may act as the source for important pandemic viruses," said James Wood, head of the department of veterinary medicine at Cambridge University.

A zoonotic infection is caused by a pathogen that has jumped from a non-human animal into a human.

Shivamogga, Feb 1: A three-year-old girl who fell out of a moving vehicle had a miraculous escape in Agumbe Ghat section in Teerthahalli taluk of Shivamogga district of Karnataka.

The incident took place in the early hours of Friday when 12 members from three different families were returning from a tour of Kerala and Tamil Nadu. The girl was reunited with her family after 30 minutes of high drama.

The child, identified as Anavi, is believed to have fallen from the vehicle as it negotiated hairpin bends on the Agumbe Ghat road, 350km from Bengaluru. The child's parents, Binu and Lincy, from NR Pura in Chikkamagaluru district, and other family members reportedly dozed off and did not realize the child had fallen off the vehicle until they covered a distance of about 20km.

One of the family members noticed that child was missing from the seat next to the door. When the driver realized the door latch had given way, they suspected the child could have slipped out of the vehicle.

Then the family started searching along the road and learnt from a forest guard at the Agumbe checkpost that a missing child was found and it had been handed over to Agumbe police station.

An advocate who identified himself as Vinay spotted the girl child as he passed the deserted stretch minutes after the vehicle left and picked her up and handed her over to Agumbe police.

The child sustained minor injuries in the fall. She was provided medical treatment before she was handed over to the parents.

Sources said it wasn't known how the vehicle door opened. One theory is that the girl could have accidentally unlocked the door while clutching the latch in the bumpy ride on the ghat. Police did not file any complaint.

Similar incident

This incident is almost a rerun of a Kerala incident in which a one-year-old baby fell off a moving jeep and was reunited with its mother hours later in September 2019 in Idukki district.

The baby had slipped off the mother's arms while she dozed off in the vehicle. CCTV footage showed the baby, after falling on the road, crawling towards a lit-up area close by, which turned out to be a forest checkpost. Family realised child was missing after 20km.

Mangaluru, Mar 23: People in Thukkottu and Ullal area of Mangaluru are in panic after a local woman who recently returned from a foreign country fell ill.

On receiving information the health officials from Ullal PHC visited the house of the woman, who is suffering from fever and cold. They provided her medicines and asked her to remain quarantined at home.

It is said that the woman's mother, who had come to a grocery shop near Thokkottu, informed the shopkeeper that her daughter, who had returned from abroad, was suffering from fever.

The alert shopkeeper, understanding the gravity of the situation, informed ZP Standing Committee on Health and Education President Dhanalakshmi Gatti, who in turn brought the issue to the notice of health officials.

The health officials rushed to her house and diagnosed her. However, the authorities have requested the local people not to be panicked as it is not yet confirmed whether the woman is suffering from COVID-19 caused by the novel coronavirus.