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.
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BJP will get more 200 votes and Yediyurappa will be next CM. This is already finalised and Yediyurappa has been told this by one Mawlwi who was asked by him to do some black magic at his home. Yediyurappa should camp in Bangalore and do the preparation for oath taking ceremony. Yediyurappa is the beloved leader of Karnata people as he did lots of good things to people while he was CM. He was sent to jail due to wrong allegation though he was innocent. He is very pious and religious person and always thinks for good things to people. He respects people from all religions and hence people for all religion respect and love him. Karnataka will be number one state in India if Yediyurappa comes to power. Only he can solve Kaveri + Mhadevi + Belgaum + Kasargod issues.
The last wish of life which cannot fulfil.
Yenchina marl marere, election muggidiji Yeddi 17 k oath dethenuvege. Oatha boka yenchina.
ತಿರುಕನ ಕನಸು
You decided already.. Funny old man
BJP will win..! too much confidence.. ahah
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