Ahmed Mohamed falsely accused of making bomb gets a hero’s welcome at White House

Udupi, Apr 20: Patients from outside the district visiting Udupi for emergency treatment should be in possession of a certificate, issued by the district health officer or taluk health officer, that they do not have any symptoms of Covid-19.

The decision was taken during an expert committee meeting chaired by Udupi Deputy Commissioner Jagadeesha on Sunday.

The Deputy Commissioner said he will send a letter to all Deputy Commissioners in this regard. The patients from other districts will be treated in various hospitals in Udupi, only in case of emergency.

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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, May 4: First year Pre-University results of Karnataka Department of Pre-University Education will be released soon.

According to a report, the first year PU result will be released on the registered mobile numbers of students or parents on May 5. The report also asked the colleges which offers PU course that the PU results should not be released on the notice boards.

This measure has been taken keeping in view to avoid gatherings in and around the institutions to prevent the spread of coronavirus.

The Deccan Herald report also said the students who are not able to clear the exams after the PU results are declared will be given a chance to appear for supplementary examinations in college level and further details on this will be shared with the institutes by the department in due course.

"After the declaration of results, colleges can conduct online classes for students who are eligible to attend second year PU classes," the report added.

The state is yet to complete the SSLC (class 10) and PU second year (higher secondary or class 12) examinations as the spread of coronavirus and subsequent lockdown announced by the government has put the whole academic activities out of gear in the state.

Recently, the education minister has said the SSLC examinations in the state will be conducted as it is a "crucial stage in a student's life".

"We will consider it (SSLC examinations) when the situation becomes normal," The New Indian Express quoted the minister as saying.

The Karnataka SSLC exam was scheduled to be held between March 27 and April 9, and over eight lakh students had registered for the exam.

Updates on the date and other decisions regarding PU second year exams are awaited.

Earlier, the school education department had decided to promote class 7 and 8 students without any exams in the wake of lockdown aimed at controlling the spread of COVID-19.