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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, July 13: Chief Minister B S Yediyurappa on Monday made it clear that the government had no plans to extend the lockdown in Bengaluru Urban and Bengaluru Rural districts beyond July 22.  The two districts will enter a lockdown starting 8 pm on July 14. 

“There is no proposal before the government to extend the lockdown in Bengaluru Urban and Rural districts. The chief minister requests citizens not to panic and cooperate with the government without paying heed to rumours,” the Chief Minister’s Office (CMO) said. 

“The lockdown is being imposed to control the rising number of Covid-19 cases in these districts. The CM has instructed officials to make all arrangements in a week’s time and make ready whatever is necessary,” the CMO said. 

The clarification came after Yediyurappa chaired a meeting of the Covid-19 task force meeting. Yediyurappa also held a video conference with officials from all districts to review the Covid-19 situation, rainfall and irrigation measures. 

Two more districts - Dakshina Kannada and Dharwad - have decided to impose a lockdown to control the spread of Covid-19 following Yediyurappa’s video conference. Starting July 15, Dakshina Kannada will be under a lockdown for a week whereas it will be a 9-day lockdown in Dharwad. 

During his video conference, Yediyurappa noted that the number of cases was on the rise in Bengaluru, Dakshina Kannada, Dharwad, Ballari, Udupi and Kalaburagi. 

He further noted that Covid-19 fatalities were going up in Bidar, Dharwad, Gadag and Mysuru. He asked authorities to bring this under control. “Bidar is among five districts nationally when it comes to deaths. This has to be controlled,” Yediyurappa said, seeking a report by experts on this. 

Yediyurappa told authorities to prioritize rapid antigen tests. “One lakh test kits have been procured. Use them wisely in emergency cases,” the CM said. He ordered that those aged above 60 years, those with serious illnesses and showing symptoms of influenza-like illness (ILI) have to be identified and subjected to Covid-19 tests.  

Bengaluru, June 5: Under the leadership of trouble-shooter D K Shivakumar, the Karnataka Congress is planning a political ‘ghar wapsi’ to bring back leaders who quit the party and also rope in those from other parties.

Shivakumar, the Karnataka Pradesh Congress Committee (KPCC) president, has constituted a 12-member committee headed by former minister Allum Veerabhadrappa to liaise to anchor this effort to bring back people into the party fold. 

The committee comprises of former legislators B A Hasanabba, Ajaykumar Sarnaik, Abhaychandra Jain, Satish Sail, Prafulla Madhukar, former MPs R Dhruvanarayan and BN Chandrappa, MLA V Muniyappa, former mayor Sampath Raj, Mahila Congress leader Kripa Alva and former KPCC general secretary V Y Ghorpade. 

This move comes more than a year after over a dozen Congress MLAs defected and joined the BJP, leading to the collapse of the Congress-JD(S) coalition government. Also, several influential leaders quit the party ahead of the Lok Sabha elections last year.

The constitution of this committee also coincides with disgruntlement brewing within the ruling BJP. 

“Many people who left the party and others have applied (to join Congress). Many have met me also. I felt it wouldn't be right for me to make a decision. So, this committee has been constituted,” Shivakumar said. “They will process all applications and send it to the KPCC.” 

According to Shivakumar, any person wanting to join the Congress should accept the party’s leadership and its ideology. “Importantly, they should be first accepted by the cadre. If there's no acceptance from the cadre, then what's the point?” he said.