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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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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, Jan 15: The coastal city of Mangaluru witnessed a historic event as a sea of humanity converged at the Shah Gardan Maidan in Adyar-Kannur to register their protest against the Citizenship (Amendment) Act (CAA), National Register of Citizens (NRC) and National Population Register (NPR) besides the “categorical mistreatment” of Muslim community at the hands of the police across the country including in Mangaluru.

The protest is jointly being organised by the various Muslim organisations of Dakshina Kannada and Udupi district under the leadership of Muslim Central Committee. 

The main staged is named after Shaheed Jaleel Kudroli and Shaheed Nausheen, who were ruthlessly gunned down by the police during a chaos that erupted on December 19 in the city due to police batten charge against people during a minor protest against NRC. 

Even thought the police had banned public transport and blocked the highway to reduce the number of protesters, around one-and-a-half lakh people had reached the venue when the historic meeting commenced at 2:30 p.m. By 4 p.m. the number of protesters crossed 2 lakh, according to the organisers.

Both sides of the highway were filled with those who came to witness the rally and traffic went haywire along a five-kilometre stretch of the road. The people who took part in the rally were seen waving national flags.

The protest rally was inaugurated by Udupi Khazi Bekal Ibrahim Musliyar. Dua was offered by Dakshina Kannada Khazi Twaka Ahmed Musliyar. 

Addressing the protesters, former IAS officer and activist Kannan Gopinathan alleged that the Centre wants to create fear among all sections of people and silence them. Society began to protest when the government crossed the limits and put curbs on democratic freedom, he claimed.

The Centre thought that they can get away with CAA and NRC. However, people have realised the truth and have started coming out onto the streets, Gopinathan added.

Activist Harsh Mander said the theme of the protest against the CAA and NRC is "national flag in one hand, Constitution is another and people will march forward with love in their hearts”.

“The fight against NRC is the fight for the protection of our Constitution. The BJP is using NRC as a weapon to divide the people after Article 370 and Ram Mandir construction," he said and warned the Centre: “The more you try to divide us, the stronger and united we’ll be”

Human rights activist Shivasundar said the "chowkidar" appointed by the people is now asking them whether they are the real owners of their houses.

The BJP only delivered hollow promises which is evident from the rising unemployment, fall in GDP, farmers suicides and the economic slowdown, he alleged.

MLA UT Khader, MLC BM Farooq, former MLA Mohiyuddin Bava, Muslim central committee president KS Mohammed Masood, Ullal Qazi Fazal Koyamma Tangal, Dakshina Kannada district Wakf committee president UK Monu Kanachur, Sunni Youth Federation state general secretary Abdul Rashid Zaini and Karnataka Samastha Mushavara state secretary UK Abdul Aziz Darimi were present among others.

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Bengaluru, Jul 7: Vasudeva Maiya, former CEO of Sri Guru Raghavendra Co-operative Bank, was found dead in his car in Bengaluru on July 6.

The Subramanyapura police have begun an investigation into Vasudeva Maiya's death.  Source said that he committed suicide. He was a native of Kota in Udupi district.

The car was found parked a little away from Maiya's house at around 6.30 pm on July 6.

The Reserve Bank of India (RBI) had in January imposed restrictions on Sri Guru Raghavendra Co-operative Bank and limited withdrawals to Rs 35,000 by customers.

On June 18, Anti-Corruption Bureau (ACB) raided five offices of Sri Guru Raghavendra Co-operative Bank, in relation to alleged misappropriation of Rs 1,400 crore.

The RBI, Enforcement Directorate, Criminal Investigation Department, and Registrar of Cooperative Societies are looking into the financial irregularities at the lender.

The police also conducted searches at residences of Maiya and the bank's chairman K Ramakrishna in relation to the above mentioned case, sources said.