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Mangaluru / Dammam, July 14: As many as 180 NRIs from Karnataka who were stranded in Saudi Arabia amid Covid 19 crisis today reached their home country by a flight charted by a Jubail based company KMT.

The Indigo flight carrying 174 adult passengers and 6 infants took off from King Fahad Airport, Dammam at 6:30 a.m. and landed at Mangaluru International Airport at 1:30 p.m.

Pregnant women, people with serious ailments and those who lost jobs are among the passengers. KMT has provided free ticket for some of the passengers who were in dire need of support.

KMT is a company which is head quartered in Jubail, Saudi Arabia was formed by natives of Addoor, Dakshin Kannada -  Shoukath, Abdul Razaq, Siddique and Abdul Rahman.

The CEO of KMT, Mr. Abdul Razaq has thanked Dr. Arathi Krishna, former president of KNRI Forum for her support to KMT in chartering flight.

He has also has expressed his gratitude to D.K district administration, director of SACO  company Mr. Althaf Ullal and KMT operation Manager Mr. Sadiq Ahmed and his team for their cooperation.

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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, Jun 23: A charter flight carrying as many as 166 people including a child stranded in United Arab Emirates today reached Mangaluru. 

The flight was chartered by M Friends Charitable Trust, Mangaluru and My Community Foundation with the sole intention of helping the repatriation of stranded passengers such as pregnant women, elderly people and those who are in need of emergency medical care. 

The flydubia flight FZ4617 took off from Dubai at 2 p.m. and landed at Mangaluru International Airport at 7:22 p.m.

The passengers who arrived from UAE hail from different parts of coastal Karnataka and passengers themselves had borne the ticket fare for their travel.

M Friends president Haneef Haji Goltamajalu has thanked representatives of My Community Foundation and M Friends Trusty Ashraf Abbas Kunjattur, M Friends NRI leader Haneef Puttur, general secretary Rasheed Vittla for their efforts in chartering the flight.

In the last three weeks, 13 special flights with around 2150 passengers from various Gulf countries had landed at Mangaluru airport. 

Already, throat swab samples of 1814 passengers, who had arrived in Mangaluru, have been tested and 239 people with international travel history have tested positive and the samples of 1,575 passengers have tested negative so far.