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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.

Thiruvananthapuram, Feb 29: With Saudi Arabia indefinitely suspending visas for visit to Islam's holiest site for the Umrah pilgrimage in the wake of coronavirus outbreak, more than 10,000 people in the state who are awaiting their turn this year for the annual Hajj pilgrimage are a worried lot.

"This year more than 10,000 people in Kerala have been cleared by the Hajj committee," said C Muhammed Faizy, chairman, Kerala State Hajj Committee.

"There is no cause of worry. We hope that during the time of the pilgrimage, the travel restriction by Saudi Arabia will be lifted," he said.

Umrah is a pilgrimage to the holy site that can be undertaken at any time of the year, while the annual Hajj pilgrimage has specific months according to the lunar calendar.

"The move by the Saudi Arabian Government to impose travel restriction was due to the outbreak of coronavirus. It is a preventive step to contain it. In such large gatherings, if one person is affected, it will spread to others. So we fully understand the concerns of the Saudi Government," Muhammed Faizy added.

He said that the Hajj Committee only processes the requests of annual Hajj visit pilgrims and not Umrah.

"This year we expect the Hajj pilgrimage season to be from June to August after Ramzan. But it may vary according to the Ramzan date. We are yet to get any official correspondence from the Saudi Government regarding travel restrictions," he added.

The Saudi Arabian Government suspended visas for tourists from countries affected by the coronavirus, with many having to cancel their Umrah pilgrimage at the last minute.

Washington, Apr 9: At least 11 Indians have died of COVID-19 in the United States with another 16 testing positive for the infection which has claimed more than 14,000 lives and afflicted more than four lakh people in the US.

All Indian citizens who have succumbed to the deadly infection in the US are male, with ten of them from New York and New Jersey area. Four of the victims are said to be taxi drivers in New York City.

New York City has emerged as the US epicentre for COVID-19 spurt, accounting for more than 6,000 deaths and over 1,38,000 cases of infections. New Jersey accounts for 1,500 fatalities and nearly 48,000 infections.

One Indian national reportedly died in Florida because of coronavirus. Authorities are also ascertaining the nationality of some other Indian origin people in the States of California and Texas.

All 16 Indians, including four females, who have tested positive for coronavirus are in self-quarantine. Coming from diverse background, eight of them are from New York, three from New Jersey and rest from other states like Texas and California. They hail from Indian states like Uttarakhand, Maharashtra, Karnataka and Uttar Pradesh.

Indian Embassy and consulates across the United States are working closely with local authorities and Indian-American organizations to provide necessary assistance to Indian nationals and students affected with COVID-19.

Because of the strict travel restrictions and regulations to prevent the spread of the deadly virus, local city officials have been performing the last rites of the deceased and in many cases are not allowing even their immediate family members to attend their cremations, officials said.