Karnataka minister writes to poll panel seeking EVM challenge

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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 22: The opening of Schools in the state, is unlikely before Dasara festival, as a majority of the parents are averse to send their children due to the COVID-19 scare.

According to official sources, in the State education department, a majority of parents, who were asked to give their opinion on re-opening of schools in the state, have reportedly favoured continuing the closing of schools till September.

The primary and Secondary education department had received feedback from various stakeholders including educational institutions, parents and Teachers, clocking high towards not opening the schools for the 2020-21 academic year till Dasara days.

Mangaluru, Jul 18: Days after Air India operated a flight from Qatar to Mangaluru,  the Karnataka Cultural Foundation (KCF) chartered a flight from Doha to this coastal city to repatriate the stranded NRIs. The flight landed at Mangaluru International Airport on July 16.

This KCF operated flight left the Hamad International Airport Doha at 9:35 am and reached Mangaluru international Airport at 16:10 pm on Thursday. 

The flight had over 174 NRIs, included pregnant women, patients in need of urgent medical treatment, senior citizens, and those who were stuck with expired visit visa and job loss. With the timely intervention Dr Arathi Krishna has helped a patient to make his approval from embassy, who had to leave for medical treatment on emergency basis.

Starting from the registration of travellers, KCF has provided all with the necessary documental, health-related information and each of them have been met by KCF representatives along with snacks and PPE kit to be worn during the journey as a precaution against the spread of the pandemic. 

Organization workers were constantly in touch with each of its passengers, supporting them for their safety and serve them during journey and stay at the hotels and this will continue until the quarantine is completed.

KCF, the proud organization of Kannadigas has been working in the public sphere, and this initiative of charter flight and their dedication on this have been praised by travellers.

On their successful charter, KCF thanks Dr Arathi Krishna, former vice-chairman of Karnataka State NRI Forum for her extensive support on acquiring relevant documental clearances. Sindhu B Rupesh, the deputy commissioner of Mangaluru, Dr Yathish Ullal, assistant commissioner of Mangaluru, Meena Nagaraj, the nodal officer, Bengaluru, are also praised for their timely approvals and permissions for this charter.

The untiring efforts, hard works by the workers and leaders of SSF, SYS and Karnataka Muslim Jama-ath have been appreciated and background supports by Moulana Shafi Sa-adi, the member of Karnataka state Waqf Board is also remembered by KCF Qatar.

The members of KCF Qatar have been tirelessly working behind this grand success, the chairman Abdul Raheem Saadi and general convener Muneer Magundi have thanked all its members, including Embassy officials and Indigo Airlines for all cooperation.