Saudi Arabia mulls permanent residency for expatriates

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.

Bengaluru, Mar 13: Google said on Friday that an employee at its Bengaluru office has tested positive for the COVID-19 coronavirus and the firm has directed all its employees in that office to work from home today as a precautionary measure.

"We can confirm that an employee from our Bangalore office has been diagnosed with COVID-19. They were in one of our Bangalore offices for a few hours before developing any symptoms. The employee has been on quarantine since then," Google said in a statement.

The firm has asked colleagues who were in close contact with the employee to quarantine themselves and monitor their health.

"Out of an abundance of caution, we are asking employees in that Bangalore office to work from home on Friday. We have taken and will continue to take all necessary precautionary measures, following the advice of public health officials, as we prioritize everyone's health and safety," it added.

The World Health Organisation (WHO) has declared the coronavirus outbreak a pandemic.

Coronavirus, which originated in the Wuhan city of China, has so far spread to more than 100 countries infecting over 1,20,000 people. India has confirmed 73 cases of the lethal infection.