We are not against doctor; KPME Bill is in the interest of poor: Health Minister

The current physical distancing guidelines provided by the World Health Organisation (WHO) and by the US Centers for Disease Control and Prevention (CDC) may not be adequate to curb the coronavirus spread, according to a research which says the gas cloud from a cough or sneeze may help virus particles travel up to 8 metres. The research, published in the Journal of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.

Study author, MIT associate professor Lydia Bourouiba, warned that droplets of all sizes can travel 23 to 27 feet, or 7-8 metres, carrying the pathogen.

According to Bourouiba, the current guidelines are based on "arbitrary" assumptions of droplet size, "overly simplified", and "may limit the effectiveness of the proposed interventions" against the deadly pandemic.

 She explained that the old guidelines assume droplets to be one of two categories, small or large, taking short-range semi-ballistic trajectories when a person exhales, coughs, or sneezes.

However based on more recent discoveries, the MIT scientist said, sneezes and coughs are made of a puff cloud that carries ambient air, transporting within it clusters of droplets of a wide range of sizes.

Bourouiba warned that this puff cloud, with ambient air entrapped in it, can offer the droplets moisture and warmth that can prevent it from evaporation in the outer environment.

"The locally moist and warm atmosphere within the turbulent gas cloud allows the contained droplets to evade evaporation for much longer than occurs with isolated droplets," she said.

"Under these conditions, the lifetime of a droplet could be considerably extended by a factor of up to 1000, from a fraction of a second to minutes," the researcher explained in the study.

The MIT scientist, who has researched the dynamics of coughs and sneezes for years, added that these droplets settle along the trajectory of a cough or sneeze contaminating surfaces, with their residues staying suspended in the air for hours.

"Even when maximum containment policies were enforced, the rapid international spread of COVID-19 suggests that using arbitrary droplet size cutoffs may not accurately reflect what actually occurs with respiratory emissions, possibly contributing to the ineffectiveness of some procedures used to limit the spread of respiratory disease," Bourouiba wrote in the study

Shivamogga, Feb 6: A youth, who allegedly uploaded pornography and inappropriate videos of children on social media, was arrested by the district CEN police after a tip-off from the CyberTipline.

The accused is a resident of Sorab taluk and is said to be below 18 years. He uploaded the objectionable content during April and May last year. He was traced based on the IP address of his computer and the mobile call records shared by the investigating agencies.

He was arrested in January under the provisions of the Information Technology Act 2000 and sent to judicial custody, said police sources.

Bengaluru, May 14: Reformed underworld don Muthappa Rai, who was battling cancer for the past year, was said to be in a critical condition at Manipal Hospital in Bengaluru, late Wednesday night. Doctors said he was on life-support at the time of going to press. Rai (68), realtor, entrepreneur and founder of pro-Kannada organisation Jaya Karnataka, had retired from public life after he was diagnosed with cancer. He was part of an ongoing investigation into gangster Ravi Pujari, who was extradited from Senegal recently.

Born in Puttur into a Bunt family, he started out as a bank employee in Bengaluru, and later ran a live band restaurant. In 1994, he was shot in a Bengaluru court by a man dressed as a lawyer, after which he was bedridden for a couple of years.

Rai Moved to Dubai in 1996. He was deported from the UAE to India in 2002, and was arrested in Bengaluru when HT Sangliana was the police commissioner. Both Rai and Pujari had allegedly been associated with underworld don Dawood Ibrahim.