By Nandi, Sobhan Ganguly, Nirmal K; Kumar, Rajesh; Bakshi, Dapinder K; Sagar, Vivek; Chakraborti, Anuradha Background & objectives: Group A streptococcus (GAS) causes a wide variety of life threatening diseases in developing countries like India.

By Andrew Buncombe Every day that Rajesh Kumar hops on a bus, he knows he is taking a chance. "I've not had any problems and I'm just hoping nothing will happen," the computer technology student said as he waited to catch a bus home from college.

NEW DELHI _ This sprawling capital has long been a traffic scofflaw's dream. Motorists routinely drive five abreast in lanes meant for three. Motorcyclists weave through traffic until encountering a red light, where most stop in the crosswalk while others simply roar on through.