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Bengaluru, Feb 24: Census authorities in Karnataka have requested deputy commissioners in the state’s districts to hold outreach and awareness campaigns about the National Population Register (NPR), as they fear misgivings about the exercise could hurt the forthcoming enumeration of population.

The house-listing phase of the Census and updating of NPR will be rolled out simultaneously by mid-April in the BJP-ruled state.

About 1,50,000 enumerators will handle the massive exercise.

Officials believe widespread awareness will help address concerns about the NPR data-gathering process and make people cooperate with enumerators when they visit houses for both NPR and census work.

“Sensing the kind of questions that enumerators may face when they do house visits, in all video conferences with deputy commissioners of districts, we have requested to establish contact with local representatives,” SB Vijay Kumar, director of Census Operations in Karnataka told news agency. “We have asked them to organise outreach programmes to ensure that people’s doubts are resolved before the information gathering work begins,” he added.

Census operations are handled by the Union home ministry. Several district officials are said to have raised concerns about the possibility of people refusing to share information when the work on the census and NPR begins in two months. This would affect the quality of the census work, making the exercise incomplete.

news channel earlier reported that people in parts of Karnataka had declined to share personal information with officials visiting households in connection with government programmes, suspecting them of gathering data for the yet-to-be unveiled National Register of Citizens, following enactment of the Citizenship Amendment Act (CAA) recently.

Kumar said district authorities will train and sensitise enumerators to tread carefully while gathering information. Enumerators will be told not to demand information but seek it gently.

“We will tell enumerators to proactively engage with people. For instance, if an old man in a village does not know his exact date or place of birth, the enumerator may engage in a conversation with the person that may elicit some anecdotes and roughly establish the year and the place of birth,” the census director said.

As of now, the NPR questionnaire has 21queries, but officials say it has not yet been finalised.

With most of the census and NPR data gathering and storage happening digitally this time, the challenge before census officials is to convince people that the data would remain safe.

“Individual data is sealed and all that we can see is collective data. The information is consolidated and tailor-made. We are telling district officials to create awareness about data safety as well,” Kumar said.

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 31: Four people, including a minor and a teen-aged boy, have been arrested on charges of spreading false messages on social media with in Bantwal taluk of Dakshnina Kannada District.

Police said on Friday that the arrested have been identified as Siddik (27), K Mohammed (19), Hanif (25) and a 16-year-old boy.

They are accused of spreading false news on social media using different mobile numbers in Bantwal Taluk for disturbing communal harmony, police said adding a case had been registered at the Vitla police station in this connection.