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Mumbai, June 9: A 45-year-old doctor posted in the 108 ambulance service at Malad railway station in Mumbai died of COVID-19 after two hospitals refused admission, in spite of the fact that he was a frontline warrior against coronavirus.

The victim is Dr Shaukat Ali, who was working with the 108 ambulance service for the last four years. A few days ago, he got his blood tests done after his health deteriorated. The result stated typhoid fever following which he started getting treatment at home in Malwani.

Ali's family ran from pillar to post to get him hospitalised in either a private or government hospital, to no avail.

"On Friday, his condition worsened and he started feeling breathless. Despite us calling the 108 ambulance service, no one picked up the call. So after waiting for a while, I and uncle's colleague, Dr Nigam, rushed him to SK Patil hospital in Malad East in an auto. But they refused us stating they were admitting only COVID-19 patients.”

“Then we took him to Desai Hospital, where doctors were initially ready to admit him but later refused stating lack of beds. They said we could take him home as his condition was fine," Zubair Shaikh, Ali's nephew said.

"But his condition worsened. So, I called Dr Nigam and we managed to admit him in Shatabdi hospital. On Sunday, when his results came out stating that he had COVID-19, doctors had already put him on a ventilator, where he passed away in the evening," he added.

Zubair further said, "Had the doctors at Desai Memorial Hospital admitted him, my uncle would have been alive today. It is a matter of great regret that a doctor, who was risking his life during this pandemic, could not get help from his own government hospitals."

Ali's wife and his two children's are in UP, while he was staying with his elder daughter who had recently appeared for HSC exams and preparing for NEET.

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of the American Medical Association, noted that the the current guidelines issued by the WHO and CDC are based on outdated models from the 1930s of how gas clouds from a cough, sneeze, or exhalation spread.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

Bellary,  Jul 26: A 100-year-old woman resident of Huvina Hadagali town in Bellary district, Karnataka, recovered from COVID-19 after testing positive for the virus earlier this month.

"Doctors treated me well. Along with regular food, I was eating an apple a day. The doctors are giving me tablets and injection, and I am healthy now. COVID-19 is like a common cold," said Hallamma while speaking to news agency.

The woman's son, daughter-in-law, and grandson had also tested positive for the virus, and the family was treated at their home.

According to health department officials, her son works at a bank and had tested positive on July 3, after which Hallamma tested positive on July 16; the 100-year-old reported negative for the virus on July 22.

Meanwhile, the covid-19 death toll in the country rose to 32,063 with 705 fatalities being recorded in a day on Sunday. The number of tests for detection of covid-19 has crossed the 16-million mark in the country.