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Bengaluru, June 5: Under the leadership of trouble-shooter D K Shivakumar, the Karnataka Congress is planning a political ‘ghar wapsi’ to bring back leaders who quit the party and also rope in those from other parties.

Shivakumar, the Karnataka Pradesh Congress Committee (KPCC) president, has constituted a 12-member committee headed by former minister Allum Veerabhadrappa to liaise to anchor this effort to bring back people into the party fold. 

The committee comprises of former legislators B A Hasanabba, Ajaykumar Sarnaik, Abhaychandra Jain, Satish Sail, Prafulla Madhukar, former MPs R Dhruvanarayan and BN Chandrappa, MLA V Muniyappa, former mayor Sampath Raj, Mahila Congress leader Kripa Alva and former KPCC general secretary V Y Ghorpade. 

This move comes more than a year after over a dozen Congress MLAs defected and joined the BJP, leading to the collapse of the Congress-JD(S) coalition government. Also, several influential leaders quit the party ahead of the Lok Sabha elections last year.

The constitution of this committee also coincides with disgruntlement brewing within the ruling BJP. 

“Many people who left the party and others have applied (to join Congress). Many have met me also. I felt it wouldn't be right for me to make a decision. So, this committee has been constituted,” Shivakumar said. “They will process all applications and send it to the KPCC.” 

According to Shivakumar, any person wanting to join the Congress should accept the party’s leadership and its ideology. “Importantly, they should be first accepted by the cadre. If there's no acceptance from the cadre, then what's the point?” he said.

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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