Bajrang Dal activists held for setting bus ablaze to create tension in DK

Bengaluru, May 2: JDS leader and former Karnataka Chief Minister HD Kumaraswamy accused the Mandya district administration of the surge in COVID-19 cases in the district and not quarantining 7,000 labourers who arrived here from Mumbai.

"As we know that 16,000 labourers from Mandya were working in Mumbai, out of which 7,000 people have arrived in the district. However, none of them was quarantined properly which is a violation of COVID-19 lockdown," Kumaraswamy told reporters here on Friday.

He claimed the district administration has shown "gross negligence" in their duty in following the procedure of COVID-19 as "one COVID-19 patient's dead body which was brought here from Mumbai has led to more cases in the district and those who accompanied the body have also tested positive for the virus."

Kumaraswamy appealed to the state government to strictly maintain lockdown norms and do not allow any relaxations in view of the rise in COVID-19 cases, stating that "any kind of relaxation could lead to a huge disaster."

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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

Mandya, Jul 6: Mandya Lok Sabha MP Sumalatha Ambarish tested positive for COVID-19 on Monday, July 6. Confirming the same, she tweeted, “It (test result) is positive with very mild symptoms and I have been advised home treatment,” she confirmed.

“I had developed mild symptoms of headache and throat irritation on Saturday, July 4. I decided to get myself tested as I might have been exposed to COVID-19 during the course of my constituency duties and tours. The results arrived today. It is positive with very mild symptoms and I have been advised home treatment,” she said in a tweet.

The MP sad she was going through the prescribed treatment as per her doctor’s instructions. “By God’s grace, my immunity level is strong and I am confident that I will soon get through this situation with your support,” she said, adding that she had already given the authorities the details of the persons who she might have come in contact with.

“But I would still urge those who have come in contact with me, if you have any symptoms, to get tested immediately. Let’s win the war against COVID-19,” she further said. Sumalatha had been involved in COVID-19 activities in her constituency which has recently seen a spike in the number of cases.