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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.

Bengaluru, Jan 10: Chief minister BS Yediyurappa said on Thursday he might not attend the World Economic Forum (WEF) meeting in Davos, Switzerland, and would most likely visit Delhi this weekend for discussions on the pending cabinet expansion.

He was expected to join Union ministers Piyush Goyal and Mansukh Mandaviya, chief ministers Amarinder Singh (Punjab) and Kamal Nath (Madhya Pradesh) and over 100 Indian CEOs at WEF’s 50th annual gathering on January 21-24.

“Mostly, I may not go for Davos (meet),” he told reporters on Thursday. Last week, he had said he was not keen on travelling to the Swiss town but was considering it as some chief ministers’ attendance was required at the high-profile event.

Eleven Congress-JD(S) turncoats, who contested the bypolls on BJP tickets and won, reportedly pressured Yediyurappa to take a decision on cabinet expansion before the now-uncertain Davos trip; it was even suggested that he should simply cancel the trip. The newly elected BJP MLAs are widely expected to be inducted as ministers. But officials in the Chief Minister’s Office (CMO) said his disinclination to travel had nothing to do with the cabinet exercise.

“It’s mainly because of his health. That place (Davos) has got temperature of minus 4-6 degrees and it will be quite tedious for Yediyurappa at the age of 76,” one official said. BJP functionaries, however, claimed that he was wary of taking a trip amid tensions in the party. “The new MLAs have been breathing down Yediyurappa’s neck. They have pushed him into a corner, demanding that he complete cabinet expansion before going anywhere,” a senior functionary said.

On Thursday, the chief minister said he had sought a meeting with party bosses in Delhi. “To discuss cabinet expansion and other important issues, I plan to travel to New Delhi on January 11 or 12. However, I am still waiting for an appointment with the BJP national president and prime minister,” he said.

While Yediyurappa, his additional chief secretary P Ravi Kumar and political adviser MB Maramkal may not visit Davos, a 10-member delegation from Karnataka, including Jagadish Shettar, is expected to travel. There are reports ministers’ family members might join the delegation.

Kalaburagi, Mar 11: A suspected coronavirus patient who had returned to Kalaburagi from Saudi Arabia on February 29 passed away today in hospital.

It is said he was admitted to the hospital on March 5 after he showed flu symptoms. But, the family members of the patient had shifted him to Hyderabad from GIMS on Tuesday against the advice of the doctors.

However, the district administration and District Health Officer (DHO) M A Jabbar are waiting for the final report of throat swab of the patient sent for lab test.

The DHO has directed Taluk Health Officer Sharanabasappa Kyatanal to supervise until the final rites of the suspect person were performed.

Kalaburagi Deputy Commissioner B Sharat said the patient died on Tuesday night on his way back to Kalaburagi after the doctor stated that chances of his survival was bleak. "It is still a suspected coronavirus case. We are waiting for the report," he said.

Sharat said he developed severe respiratory problem coupled with cough, cold and fever. "As he was 76-year-old, he failed to respond to the treatment. It is yet to be confirmed if the cause of death was coronavirus," he said.