Udupi Bishop inaugurates star-shaped St Francis Assisi Church in Kundapura

Bengaluru, Apr 29: The Karnataka police department has decided not to deploy its personnel aged above 55 as frontliners in Covid-19 related duty.

According to order issued here on Wednesday by Director General of Police Praveen Sood, it was a precautionary measure as the elderly was more susceptible to the risk of infection.

Apart from this, the order also states that any police personnel suffering from diabetes, hypertension, asthma, kidney, liver-related problems and cardiovascular disease must also be kept away from Coronavirus duty. The policemen can be deployed for station duty.

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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, Mar 8: The economic slowdown in the country had a cascading effect on Karnataka, as its growth rate for outgoing fiscal 2019-20 is projected to be 6.8 per cent against 7.8 per cent in the last fiscal (2018-19), a senior official said on Saturday.

"The Gross State Domestic Product (GSDP) is estimated to be 1 per cent less at 6.8 per cent for this fiscal from 7.8 per cent in the last fiscal due to slowdown in manufacturing (industry) and services sectors," an official of the state finance department told media.

Though the agriculture sector has revived from 1.6 per dent in the drought-hit last fiscal (2018-19) to register 3.9 per cent this fiscal, growth rates of industries and services will be 4.8 per cent and 7.9 per cent for 2019-20 against 5.6 per cent and 9.8 per cent respectively in 2018-19.

"The GSDP is projected to grow at 6.3 per cent in the ensuing fiscal of 2020-21 due to continued slowdown in the national economy," the official hinted.

According to the state's economic survey for 2019-20, the farm sector grew more than double to 3.9 per cent from 1.6 per cent a year ago due to increase in the production of foodgrains, dairy products and fish catch.

Foodgrain production across the state rose to 136 lakh tonnes from 128 lakh tonnes a year ago, the survey revealed.

"In line with the national Gross Domestic Product (GDP) growth rate decline, Karnataka's GSDP has declined from a high of 13.3 per cent in 2016-17 to a low of 6.8 per cent in 2019-20.

"The GSDP has declined from a double-digit growth of 10.8 per cent in 2017-18 to 7.8 per cent in 2018-19 and 6.8 per cent in 2019-20," the survey pointed out.

The survey has adopted the all-India growth rate for the services sector growth in the state, which reflects the impact of slowdown in the key sector.

At current prices, the southern state's GSDP is expected to be Rs 16,99,115 crore (budget estimates) with a 10 per cent growth rate in the next fiscal (2020-21).

"Real estate, professional services and ownership of dwellings contributed 35.31 per cent to the GSDP in 2019-20, followed by manufacturing with 15.32 per cent, trade and repair services 9.51 per cent and crops 7.44 per cent," said the survey findings.

Per capital income in the state at current prices is estimated to be Rs 2,31,246 in 2019-20, an increase of 8.8 per cent from Rs 2,12,477 in 2018-19.

"The per capita income in the state is 58.4 per cent more than that of all-India rate at Rs 1,35,050 in this fiscal," the survey added.