No evidence of terror link: 10 Muslim youths released by Delhi police

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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

New Delhi, Jan 27: Non-Muslim refugees from Pakistan, Bangladesh and Afghanistan will have to provide proofs of their religious beliefs while applying for Indian citizenship under the controversial Citizenship Amendment Bill (CAA), officials said on Monday.

The applicants belonging to Hindu, Sikh, Christian, Buddhist, Jain or Parsi faiths will also have to furnish documents to prove that they entered India on or before December 31, 2014.

Those who will seek Indian citizenship under the CAA will have to provide proofs of their religious beliefs and this will be mentioned in the rules to be issued under the CAA, a government official said.

According to the CAA, members of Hindu, Sikh, Buddhist, Jain, Parsi and Christian communities who have come from Pakistan, Bangladesh and Afghanistan till December 31, 2014, due to religious persecution there will not be treated as illegal immigrants and will be given Indian citizenship.

The central government is also likely to give a relatively smaller window of just three months to those who want to apply for Indian citizenship in Assam under the CAA, another official said.

Some Assam-specific provisions are expected to be incorporated in the rules to be issued for the implementation of the CAA.

Assam chief minister Sarbananda Sonowal and his finance minister Himanta Biswa Sarma had made a request about a fortnight ago to keep a limited period window for applying under the CAA and also incorporate some other Assam-specific provisions in the CAA rules.

The move comes in view of continuing protests against the CAA in Assam that have been going on since the legislation was passed by Parliament in December last year.

There has been a growing feeling among the indigenous people of Assam that the newly enacted legislation will hurt their interests politically, culturally as well as socially.

The Assam Accord provides for detection and deportation of all illegal immigrants who have entered the country after 1971 and are living in the state, irrespective of their religion.

The protesters in Assam say that the CAA violates the provisions of the Assam Accord.

Mangaluru, Feb 11: BJ Puttaswamy, chairman of the State Planning Board stated that the detailed project report (DPR) to develop the Mangaluru-Karwar fisheries road at a cost of Rs 780 crores has been submitted to the state government and approval for it by the Coastal Development Authority (CDA) is pending.

Speaking to reporters here on Tuesday, he said the new developments done and in those in the future for the coastal districts.

He claimed that a feasibility report for the development of State Highway 67 has been submitted to the government.