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Bengaluru, May 15: Karnataka Chief Minister B S Yediyurappa on Friday announced further relief package to the lockdown affected people.

Addressing a press conference, the Chief Minister said about Rs 500 crore would be earmarked to distribute to over 10 lakh farmers, who had grown Jowar and also cash compensation to the shepherds who would lose sheep and goats due to natural disasters.

While commending the efforts of the ASHA workers, who are remained in the frontline in fight against the COVID-19 pandemic, the Chief Minister said an additional Rs 3000 would be remitted to their bank accounts as an incentive.

The Chief minister had announced Rs 1610 crore cash relief package to benefit the auto drivers, barbers and washermen, last week.

He had also announced relief package to the farmers, and migrant workers and construction workers.

Replying to questions, he denied that by bringing amendment to the APMC Act, farmers would be suffered.

Brushing aside the criticism over an ordinance brought to the APMC Act by the Opposition Congress and the JD(S), the Chief Minister said “Amendment had been brought after taking care that farmers interests will not be adversely affected”.

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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

Mangaluru, Apr 17: Authorities in Dakshina Kannada have announced a fresh coronavirus positive case. The patient is a resident of Uppinangady in Puttur taluk.

With this the total number of covid-19 positive cases in this coastal district mounted to 13 even though most of the patients have recovered and returned home after treatment.

In past twelve days this is the first coronavirus case reported in the district.

It is learnt that the 39-year-old had been to Delhi. He was home quarantined for past few days. His throat swabs were tested positive for the deadly disease today.