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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, Apr 8: A 65-year-old man from Kalaburagi district became the fifth COVID-19 fatality in Karnataka, where six new positive cases were confirmed, pushing the tally in the state to 181, the health department said on Wednesday.

The man with Severe Acute Respiratory Infection (SARI), died at a designated hospital in Kalaburagi on Tuesday, a day after being shifted from a private hospital where he was initially treated for two days.

"On April 4, he had got admitted to a private hospital, on April 6 he was shifted to ESI hospital, where he passed away," Primary and Secondary Education Minister Suresh Kumar told reporters here.

The private hospital had been locked and its entire medical team quarantined, he said, adding a notice had been served on it for act of "criminal negligence" (by not referring the patient to designated hospital) and will be followed with a police case.

"He was suffering from SARI, on collecting his sample, tests have revealed that he was positive....investigation is on to find how he got infected," the Minister said.

Noting that the hospital in this case did not refer the patient to the designated hospital and kept treating him for two days, he appealed to all private healthcare facilities to inform authorities if anyone showed any indications for COVID-19.

"As of 5 PM on April 8, cumulatively 181 COVID-19 positive cases have been confirmed in the state, it includes 5 deaths and 28 discharges," the health department said in a bulletin.

Out of the positive cases, 71 are those who had come back from foreign countries, while remaining 110 are contacts and those who had gone to Delhi, the Minister said.

Kumar also said an expert committee comprising Narayana Health founder-chairman Dr Devi Prasad Shetty and Jayadeva Institute of Cardiovascular Sciences director Dr C N Manjunath among others, constitutedto devise an exit strategy for the lockdown, has submitted its reports with various recommendations to Chief Minister B S Yediyurappa.

The chief minister and officials were examining it which was likely to come up before the cabinet meeting on Thursday after which the details will be shared, he added.

The health department said the six fresh cases reported on Wednesday included the elderly man from Kalaburagi who died.

Among the positive cases are a woman from Uttara Kannada with history of SARI and contact of a Dubai returnee, a 72- year-old woman from Kalaburagi, who is mother of a patient that tested positive for the disease; a man from Mandya with contact to two patients.

Others include a man from Chikkaballapura with travel history to Delhi and a woman from Bengaluru also with a travel history to the national capital.

Contact tracing is in progress for all the cases, the bulletin added.

The department said out of 148 active cases in the state, 146 COVID-19 positive patients (including 1 pregnant woman) are in isolation at designated hospitals are stable and two in ICU (one each on oxygen and ventilators).

It said out of total 181 cases in the state, six are transit passengers of Kerala.

Bengaluru accounted for the highest in the state with 63 cases, followed by Mysuru (35), Dakshina Kannada (12) Bidar (ten), Uttara Kannada and Kalaburagi (9 each), Chikkaballapur (8) Belagavi (7), Ballari (6), Bagalkote (5), Mandya (4) Davangere, Bengaluru Rural and Udupi (three each), and Kodagu, Tumakuru, Gadag and Dharwad one each.

Those discharged include 16 from Bengaluru, four from Dakshina Kannada, two each from Uttara Kannada, Kalaburagi and Davangere, and one from Bengaluru Rural; while among those dead are two from Kalaburgari and one each are reported from Bengaluru, Bagalkote and Tumakuru.

Bengaluru, Apr 17: The Karnataka government on Friday asked Information Technology, biotechnology and allied companies not to go for closure or layoffs citing lack of work orders due to COVID-19 lockdown and instead consider measures like cutting salaries among other things.

It said IT/BT companies in the state can resume operations with 50 per cent from their office space after April 20.

Deputy chief minister C N Ashwath Narayan, who is also in charge of IT & BT department, held video consultation with the captains of the industry in light of the disruption caused due to the lockdown, and discussed on the way forward - both for effective implementation of the lockdown as well as the future course to deal with the unique circumstances.

"Immediately we are going to permit 50 per cent, but it doesn't mean that they will be able to mobilise 50 per cent immediately. It will take few weeks for them to do so. Gradually percentage will increase and it will start getting back to normalcy," Ashwath Narayan told reporters.

Stating that there were discussions regarding layoffs, he said, companies should not go for layoffs, instead of that gradation or deduction in the salary should be taken up, so that it doesn't affect the functioning of companies also that are facing less orders.

"On handling such financial crisis they (industry) wanted government consideration with mutual cooperation and understanding the concerns," he added.

Pointing out that concerns were also expressed regarding measures or protocol that needs to be followed if any positive cases are reported in any of the office spaces, Ashwath Narayan said, certain guidelines will be issued in consultation with the Health Department.

"Once the relaxation is given this may become the usual phenomena, as cases will be reported here and there... so in that scenario how we need to work and handle the situation is important, so we will be working on protocols how to handle the situation. So far we have planned for residential areas and not for work spaces," he said.

The deputy chief minister said the IT and BT industry leaders are extremely happy with regard to the support system or backup given by the government of Karnataka, particularly IT/BT department.

Even during this crisis period in the entire world, Karnataka and Bengaluru were able to get a good reputation and become reliable partner, as IT/BT service providers in both the city and the state were able to provide excellent quality services to their clients without any interruption, he said.

If you compare with any state or country, we have done extremely well, and hope that this would get more business, he added.

Biocon chief Kiran Mazumdar Shaw, Infosys co-founder Kris Gopalakrishnan, who is also the Chairman of Vision Group IT, were among others present at the video conferencing.

Noting that concerns expressed by the industry regarding passes for employees to commute to office, Ashwath Narayan said, the government would make necessary arrangements in this regard, considering measures that need to be taken after April 20.

Regarding providing transport facility, they can seek for services from public transport Bangalore Metropolitan Transport Corporation (BMTC) on a contract basis, he said, adding that "We will be ready to facilitate BMTC."

The minister said the industry leaders wanted internet services to continue with the same quality and without any interruption.