Arrest those harassed DySP Ganapathi or face Dakshina Kannada bandh: MP

Bengaluru, Mar 15: The Karnataka government has intensified screening all international passengers at airports by classifying them into three risk categories.

Passengers, who are symptomatic on arrival fall under risk category 1, those aged above 60 and have Symptoms fall under category 2. Those who fall in both these categories are being quarantined at designated facilities for 14 days from arrival.

Asymptomatic passengers arriving from any of the COVID-19 affected countries will fall under category 3 and will be advised to be under strict home quarantine for 14 days, Medical Education Minister Dr K Sudhakar said here on Sunday.

Belagavi, Jul 23: As many as 14 persons have been arrested following last night’s violence at Belagavi Institute of Medical Sciences (BIMS) - District Hospital.

Angered over the death of a Covid-19 patient, family members had turned violent and damaged the BIMS with stones and set an ambulance on fire alleging medical negligence. 

The 55-year-old male had been admitted to the hospital for treatment on July 19, for treatment of Severe Acute Respiratory Infection (SARI) and was positive for Covid-19 according to the report received on Wednesday. He died on Wednesday night while being shifted to Intensive Care Unit for treatment of respiratory problems.

Police rushed to the spot and brought the situation under control. Two persons were detained in the spot and 12 persons later. The matter is under investigation and the police have launched a manhunt to nab the other accused.

During the violence, a police personnel and five other hospital staff suffered injuries.

Meanwhile, prohibitory orders under Section 144 CrPC were imposed in the areas surrounding the hospital to prevent crowd gathering. 

Deputy Commissioner M G Hiremath visited BIMS on Wednesday night and held a meeting with the doctors and nurses treating the patients and those who were at the receiving end of the violence.

Hiremath said that he instilled confidence among the doctors and nurses and assured them that safety measures would be taken. Security arrangements will be made and prohibitory orders will be imposed. Presently entry of people has been banned, he said.

Police Commissioner Dr K Thiyagarajan said that cases will be filed against all those responsible for the violence. People whose vehicles have been damaged can also file complaints.

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