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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.

Bengaluru, Jun 24: Karnataka Minister of Medical Education Dr K Sudhakar said on Tuesday that the directors of institutions will be held responsible if any there are any complaints and lack of facilities in the treatment of COVID-19 patients.

'Since a couple of days, there are reports in media regarding the admission of COVID-19 patients, lack of hygiene and the supply of sub-standard food to patients. The country is appreciating Karnataka and Bengaluru for controlling the spread of coronavirus. This was possible due to tireless efforts from past several months and these kinds of reports emerging now cannot be tolerated," Sudhakar said.

He added, "There can be no compromise in the treatment of COVID-19 patients. It must be ensured that these kinds of complaints will not be repeated. Directors of hospitals will be held responsible if there are complaints."

The medical education minister further said that asymptomatic patients will be kept in COVID-Care Centres and if they develop symptoms in the care centres, they will be shifted to hospitals for further treatment.

"Since the COVID-19 cases are increasing, private hospitals have been roped in to treat coronavirus patients. Officials have to ensure that beds are reserved and all arrangements are made as per the government order. Guidelines will soon be issued for monitoring asymptomatic cases in COVID care centres," he added.

Karnataka on Tuesday reported 322 fresh COVID-19 positive cases and eight deaths.
According to the state health department, the total number of positive cases has mounted to 9,721 and 150 deaths. So far, 6,004 people have been discharged.

Karwar, Jun 3: The India Meteorological Department (IMD) has issued an alert, predicting thundershowers and heavy rainfall over north interior Karnataka, coastal Dakshina Kannada and Udupi over the next three days.

With Cyclone Nisarga hitting the Uttara Kannada coast on Tuesday,  parts of coastal Karnataka received heavy rainfall. Gusty winds tore through the coastal towns, as the sea too turned violent with rough waves smashing the shore.

The alert was issued with the advancement of Nisarga from east-central Arabian Sea to north Maharashtra, and adjoining south Gujarat coast. “Though it does not cover Karnataka, the range of cyclonic winds is very big and reaches north interior Karnataka also.

So an alert has been called out,” CS Patil, director in-charge, IMD, Bengaluru, said. The weather department has forecast a severe cyclonic storm and then a depression. Patil said formation of systems is a common factor before the onset of the monsoon and they help in its advancement.

“Cyclone Nisarga is helping in the quick advancement of the southwest monsoon to Karnataka, and the monsoon is likely to arrive before the scheduled date as conditions are favourable,” he added.