‘Explosive’ statement: Seer fails to appear before police; sends lawyer instead

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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

Bengaluru, Jun 20: Former Chief Minister and Congress Legislative Party leader Siddaramaiah has slammed BJP leader and former Congress MP and MLA H Vishwanath for blaming him for not getting MLC ticket.

Siddaramaiah said, "H Vishwanath is neither a fool nor intelligent, that's why he's blaming me for not getting ticket. He is in BJP and I'm in congress how will I influence his ticket."

He also slammed Chief Minister B. S. Yediyurappa, "Yediyurappa is toothless to speak to PM and asking for funds which need to be allotted to Karnataka including 5,049 crores, which 15th finance Commission suggested."

"No pro-people schemes must be stopped including Indira canteen, Yediyurappa thinks Indira canteen will bring good name to me that's why this government is trying to stop it," he added.

He was speaking after a protest organised at Mysuru against the hike in fuel prices.

Mangaluru, Jan 4 The International Kite Festival, will be the main attraction of the Karavali Utsav being held here from January 10-19.

Deputy Commissioner Sindhu Roopesh said on Saturday that a variety of cultural programmes are scheduled on the occasion of Karavali Utsav being organized by the DK District Administration at the Karavali Utsav grounds, Kadri Park and Panambur Beach.

Cultural programmes will be presented by budding local artistes of State, National and International fame. All facilities for the cultural programmes will be set up at the Kadri park and Karavali Utsav grounds.

The programme will begin with a cultural procession from Nehru Maidan on 10 January followed by the Inauguration at the Karavali Utsav grounds.