Pejawar seer appreciates PM Modi, asks him not to wage war against Pakistan

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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

Mysuru, Jan 11: City Police has intensified its search for a girl student who a displayed 'Free Kashmir' poster during a protest two days back.

According to police, a girl student displayed the poster carrying an anti-national message, during the protest organised by University of Mysore Researchers Association and other organisation on Wednesday to oppose the attack on the students and the teachers in Jawaharlal Nehru University in the National Capital. An officer said that as per the documents available, it appears that a girl student displayed the placard for a few minutes.

"We are looking for the accused". The Jayalakshmipuram police have taken up suo motu cognisance of the case. Meanwhile. the office of Governor Vajubhai Vala, on Thursday, sought a detailed report from the University of Mysore (UoM) over the incident. The city police have booked the protestors under Section 124A of the Indian Penal Code (IPC).

Mangaluru/Udupi: A total 237 people tested positive for the novel coronavirus in Dakshina Kannada (DK) and Udupi on Sunday, a day that DK scaled yet another peak with 196 cases and Udupi tallied 41. 

The grim reaper came calling on patients with co-morbidities, harvesting five souls, to take the total tally of deaths in DK to 46. The spurt also saw DK’s tally of positive cases rise to 2,230 and Udupi’s to 1,608.

The 196 fresh cases in DK included 91 cases of influenza like illness (ILI), the cause of infection in 57 people is yet to be known, 20 are primary contacts, 16 are those with severe acute respiratory infection (SARI), 10 are those with international travel history and two are pre-surgery samples, said deputy commissioner Sindhu B Rupesh. The five deceased include three men and two women, the youngest victim being a 50-year-old man and oldest a 72-year-old man.

A total 94 patients were discharged from the designated Covid-19 and private hospitals in the city, taking the total number those discharged to 876, and paring down the number of active cases to 1,309. The commissioner of Mangaluru City Corporation, tested positive for the novel coronavirus on Sunda. Deputy Commissioner (revenue), MCC, a primary contact, has home quarantined himself in the wake of this development.

In neighbouring Udupi, the double-digit blip on the Covid-19 radar included 32 primary contacts, six with inter-district travel history, two with inter-state travel history and one patient with international travel history, said district health officer Sudhir Chandra Sooda. The fresh cases also included four children. The discharge of 28 patients took the total numbers of those discharged to 1,273, and there are 332 active cases now. The district has recorded three deaths due to the pandemic thus far.