Singapore: B.1.617.2 Delta has a higher viral load in the respiratory tract of patients and stays for longer

On May 19, the director of Singapore’s National Center for Infectious Diseases, Professor Liang Yuxin, said in an exclusive interview with Singapore’s mainstream media, Lianhe Zaobao, that Singapore’s research shows that the recent local transmission of the mutant new coronavirus B.1.617.2 remains in the respiratory tract of patients in a higher amount.  More...

UK: B.1.617.2 Delta coronavirus variant cases double in four days to 2,323

The number of confirmed UK cases of the Covid variant first detected in India has almost doubled in four days, Health Secretary Matt Hancock said, as experts warned it could become the dominant type of the virus imminently.  More...

India: Covaxin and Covishield vaccines invoke 50% fewer antibodies against B.1.617 coronavirus variant

Scientists at the Indian National Institute of Virology (NIV), Pune, have found that both Covaxin and Covishield produce half as many antibodies against the B.1.617 variant of the novel coronavirus as against the ‘original’ B.1 variant.  More...