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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, Jul 5: A 50-year-old woman with breathing difficulties died on Saturday after a shortage of beds forced 12 hospitals to refuse admission.

Her husband Babu said the family had approached 12 hospitals in three days, including Victoria Hospital and other private facilities, who all slammed their doors on them, citing a shortage of beds. The woman died on Saturday, a few minutes into her admission at KC General Hospital.

Second death 

A 35-year-old man, Manjunath, also died on Saturday after enduring fever for three days and being refused admission at several hospitals due to a shortage of beds.

As his condition worsened, his wife admitted him to a private hospital on Saturday after hours of ordeal. But the man died less than 15 minutes after getting admitted. Hospital authorities took swab samples from the deceased and said the body would be handed over after the test results.

BBMP personnel also failed to shift the body of a Covid-19 patient in Kalasipalya almost a day after the death.

Despite civic workers disinfecting the place, the neighbours were in a state of panic after the body was kept at home.

Bengaluru, Jun 14: Karnataka's Health Department has shut down four city clinics for not reporting Influenza Like Illness (ILI) and Severe Acute Respiratory Infection (SARI) cases, which are COVID symptoms, an official said on Sunday.

"We have shut four Bengaluru clinics for not reporting ILI and SARI cases," a health official told IANS.

The clinics are Namma Clinic at Sahakaranagar, Panchamukhi Specialty Clinic at Peenya 2nd Stage, Mathru Chaya Clinic at Sudhama Nagar in Bommanahalli and Nayak Hospital in Gayathri Nagar.

"We gave notice to 17 clinics for not reporting ILI and SARI medical conditions in patients. Out of the 17, 13 reverted that they did not do and will start reporting," said the official.

However, the four named clinics did not revert leading to their shutdown.

According to the official, the clinics failed to adhere to the Epidemic Diseases Act, 1987, Disaster Management Act, 2005 and others.

All medical facilities and hospitals should report all patients with ILI and SARI symptoms as many COVID positive cases have them as underlying conditions.