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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, Mar 30: The nationwide lockdown has left the state on the brink of a fresh agrarian crisis.

The lack of transport facilities spells doom for ready-to-harvest grapes worth Rs 500-600 crore in Bengaluru Rural, Chikkaballapur and Kolar districts. Unable to find buyers, several farmers have begun dumping their produce into compost pits.

On Sunday, Munishamappa, a farmer in Chikkaballapur, emptied four truckloads of grapes into the pit as buyers didn’t turn up due to the lockdown. “If the grapes wither and fall to the ground, it will affect the soil’s fertility and I will be forced to dispose of them,” he said.

Venkata Krishnappa, Munishamappa’s son, said their 1.5-acre vineyard yielded 25 tonnes of grapes. “Just before the lockdown, 10 tonnes were harvested and delivered to the market. Due to lack of transport, buyers haven’t turned up for the remaining 15 tonnes which we are dumping into the pit.”

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Anjaneya Reddy, a farmer leader, said that in Chikkaballapur alone, they have cultivated grapes on 2,000 acres. “Even if you consider 15 tonnes per acre as yield, there are about 30,000 tonnes ready to be harvested in the district. At a market rate of Rs 50 to Rs 60 per kilogram, the net worth will be Rs 200 crore to Rs 300 crore. And if you consider the crop in Kolar and Bengaluru Rural, grapes worth Rs 500 to Rs 600 crore are at stake,” he explained.

The ‘Dilkush’ grapes is the most preferred variety of domestic consumption, according to the farmers.

This apart, farmers would have invested about Rs 3 lakh to 4 lakh per acre on fertilisers, pesticide and labour. “With markets being shut and no of the transport facilities available, farmers are forced to dump their produce into pits. It is high time the government intervened and provided us with market options so that farmers can sell at an affordable price of Rs 30 to 40,” Reddy said.

Somu, a farmer in Ganjam village of Srirangapattana, dumped two tonnes of chikku (sapota) citing market shutdown in Mandya. Reddy appealed to the government to emulate the Maharashtra model where the government is helping farmers market fruits through Hopcoms or dairy units as nutrient supplements to people.

Bengaluru, May 10: Karnataka on Sunday reported 59 new cases of coronavirus, taking the total number of cases in the state to 848, informed state health department.
Out of the total number of cases, 422 people have been discharged and 31 have died due to the infection in the state.
The health department further informed that six COVID-19 patients are currently in the Intensive Care Unit.