Poojary crossed limits of decency; won't tolerate his statements: KPCC

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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, Jul 2: The India Meteorological Department (IMD), Bengaluru Director CS Patil said that good rainfall is expected in few districts during next five days.

The districts likely to receive rainfall include Dakshina Kannada, Shivamogga, Chikkamagaluru, Hassan and Kodagu. All these districts had received deficit rainfall till date from June 1.

"From June 1 to till date Dakshina Kannada, Shivamogga, Chikkamagaluru, Hassan and Kodagu districts received deficit rainfall. However, there is an expectation of good rainfall in these districts in next 5 days," said CS Patil.

"Coastal districts are very likely to experience light to moderate to widespread rainfall activity during the next five days," he added.

Mangaluru, Jan 7: Kasturba Medical College Mangaluru, a constituent unit of Manipal Academy of Higher Education (MAHE), in association with Pai Family Endowment (in memory of Shri Suhas Gopal Pai) as its social initiative opens a newborn hearing assessment centre at Govt Lady Goshen Hospital on Tuesday.

Dr M Venkatraya Prabhu, Dean of KMC Mangaluru addressing the media persons said that the project is made possible by the generous philanthropic contribution of Mrs Anuradha (Shanthi)Gopal Pai and will be inaugurated by her in Presence of Dr H Vinod Bhat, Vice-Chancellor of MAHE.

Dr Deepak Madi, Deputy Medical Superintendent KMC Hospital Attavar explained that the facility will be managed by the departments from Audiology, ENT and Paediatrics of Kasturba Medical College, Mangaluru. The Centre aims to screen all the babies born in the hospital for hearing loss.

This is the maiden initiative of the MAHE-Pai Family endowment which has been set up to find solutions for the numerous challenges faced by the hearing handicapped in & around Dakshina Kannada district.