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Bengaluru, July 25: A 105-year-old person from Bengaluru’s Basaveshwar Nagar, who was under treatment for covid-19 at a hospital for past five days, breathed his last today. He was a former government account who retired in 1973. He was the oldest known covid-19 patient in the state so far.

Many members of the patient's family are said to be infected and are hospitalised at various facilities. The funeral will be overseen by two uninfected family members.

The patient 74411 died on Saturday morning at around 9 a.m., said Dr Prasanna, Managing Director of Pristine Hospital And Research Centre where the former was admitted.

“The patient was initially doing well when he admitted on July 20. He did not have significant lung changes when he was admitted. However, after three days, his blood pressure started to drop so he was put on oxygen in the ICU. Yesterday morning, with continued deterioration, he was placed on non-invasive ventilator support,” Dr Prasanna said.

“Finally, by last night, his oxygen saturation levels began to plummet abruptly and we had to intubate him for ventilator support. His condition continued to deteriorate, however. The cause of death was respiratory failure and the onset of sepsis,” he added.

Although earmarked for supplies of Remdesivir by the government, the hospital did not receive the drugs. An appeal to Dr K Sudhakar, Minister of Medical Education by the hospital staff resulted in an assurance that the medication would arrive. “However, in the end, we had to source the medication ourselves on Friday,” medical staff said.

Dr Thrilok Chandra, Head, Critical Care Support Unit (CCSU), which oversees the care of critical or vulnerable-aged Covid-19 patients, had said that Patient 74411 had been diagnosed early. “He was identified when the disease was still in the early stages in his body. He only had symptoms of Influenza-Like Illness (ILI), so the symptoms were not severe,” Dr Chandra had said.

“It’s very sad. We were rooting for him to pull through. He had no comorbidities at all. He had been bed-ridden from last year, but he was healthy. His only potential comorbidity was his advanced age,” Dr Prasanna said.

According to government data, 34% of Covid-19 fatalities in India are aged between 60 and 74 years of age. Fourteen per cent are aged above 74.

The deadly coronavirus that entered India while there was still nip in the air has beaten rising mercury, humid conditions, unique Indian genome and has entered monsoon season with more potency as fresh cases are only breaking all records in the country.

India recorded a single-day spike of record 24,850 new coronavirus cases on Sunday, taking its total tally to 6.73 lakh corona-positive cases.

Top Indian microbiologists were hopeful in March that after the 21-day lockdown, as summer approaches, the rise in temperature would play an important role in preventing the drastic spread of COVID-19 virus in India.

Several virologists hinted that by June this year, the impact of COVID-19 would be less than what it appeared in March-April.

The claims have fallen flat as the virus is mutating fast, becoming more potent than ever.

According to experts, the novel coronavirus is a new virus whose seasonality and response to hot humid weather was never fully understood.

"The theory was based on the fact that high temperatures can kill the virus as in sterilisation techniques used in healthcare. But these are controlled environment conditions. There are many other factors besides temperature, humidity which influence the transmission rate among humans," Dr Anu Gupta, Head, Microbiologist and Infection Control, Fortis Escorts Heart Institute, told IANS.

There is no built-up immunity to COVID-19 in humans.

"Also, asymptomatic people might be passing it to many others unknowingly. New viruses tend not to follow the seasonal trend in their first year," Gupta emphasized.

Globally, as several countries are now experiencing hot weather, the World Health Organization (WHO) reported a record hike in the number of coronavirus cases, with the total rising by 2,12,326 in 24 hours in the highest single-day increase since COVID-19 broke out.

So far over 11 million people worldwide have tested positive for the disease which has led to over 5,25,000 deaths, according to data from Johns Hopkins University. The US remained the worst-hit country with over 28 lakh cases, followed by Brazil with 15.8 lakh.

According to Sandeep Nayar, Senior Consultant and HOD, Respiratory Medicine, Allergy & Sleep Disorders, BLK Super Speciality Hospital in New Delhi, whether temperature plays a role in COVID-19 infection is highly debated.

One school of thought said in the tropical regions of South Asia, the virus might not thrive longer.

"On the other hand, another school of thought has found that novel Coronavirus can survive in a hot and humid environment and tropical climate does not make a difference to the virus. According to them, this is what distinguishes the novel coronavirus from other common viruses, which usually wane in hot weather," stressed Nayar.

Not much has been studied in the past and no definite treatment or vaccine is available to date.

"Every day, new properties and manifestation of the disease come up. As of now, the only way to prevent this monster is by taking appropriate precautions. Hand hygiene, social distancing, cough etiquette and face masks definitely reduce spread of COVID-19 infection," Nayar told IANS.

Not just top Indian health experts, even Indian-American scientists had this theory in mind that sunshine and summer may ebb the spread of the coronavirus.

Ravi Godse, Director of Discharge Planning, UPMC Shadyside Pennsylvania in the US told IANS in April: "In the summer, the humidity can go up as well, meaning more water drops in the air. If the air is saturated with water and somebody sneezes virus droplets into such air, it is likely that the droplets will fall to the ground quicker, making them less infectious. So the short answer is yes, summer/sunshine could be bettera.

According to Dr Puneet Khanna, Head of Respiratory Medicine and Pulmonology, Manipal Hospital, Delhi, COVID-19 death rates are not too different in tropical countries but since the disease affected them late it was yet to show its peak in these areas.

"The virus can survive well in hot and humid countries and this is proven now," he stressed.