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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.

Mangaluru: As many as 178 passengers arrived in the coastal city from Dubai as the second flight under the Vande Bharat Mission landed at the Mangaluru International Airport (MIA) at 7.55am on Monday.

Among 178 passengers, there were 99 male, 67 female, 11 children and one infant.

Dakshina Kannada deputy commissioner Sindhu B Rupesh said that all the necessary arrangements had been made to ensure that the passengers were not inconvenienced in any way. 

“All of them have been provided with health kits, sufficient food, sim cards, etc. We have also set up facilities at the airport where they can exchange foreign currency. The emigration process was conducted only after each passenger was subjected to screening by health department personnel at the airport. We will have their throat swabs tested for Covid-19 on Tuesday,” Sindhu said.

Personnel attired in personal protective equipment gear shifted the passengers’ luggage, while buses had been arranged for transporting them to quarantine facilities, Sindhu added.

Probationary IAS officer Rahul Shinde, additional deputy commissioner MJ Roopa, district health officer Dr Ramachandra Bairy and MIA director VV Rao were among those who received the returning Indians along with the DC at the airport.

Public, including friends and relatives of the passengers, were barred entry to the airport.

Rooms in as many as 10 hotels have been reserved to quarantine passengers flying in to Mangaluru from the Gulf. The rooms are priced between Rs 1,000 and Rs 5,400. Meanwhile, those unable to afford rent will be accommodated at government hostels.

Mangaluru, May 18: The second repatriation flight to the coastal Karnataka from Dubai landed at Mangaluru International Airport at 7.45 pm. today.Mangaluru: As many as 178 passengers arrived in the coastal city from Dubai as the second flight under the Vande Bharat Mission landed at the Mangaluru International Airport (MIA) at 7.55am on Monday.

Dakshina Kannada deputy commissioner Sindhu B Rupesh said that all the necessary arrangements had been made to ensure that the passengers were not inconvenienced in any way.

“All of them have been provided with health kits, sufficient food, sim cards, etc. We have also set up facilities at the airport where they can exchange foreign currency. The emigration process was conducted only after each passenger was subjected to screening by health department personnel at the airport. We will have their throat swabs tested for Covid-19 on Tuesday,” Sindhu said.

Personnel attired in personal protective equipment gear shifted the passengers’ luggage, while buses had been arranged for transporting them to quarantine facilities, Sindhu added.

Probationary IAS officer Rahul Shinde, additional deputy commissioner MJ Roopa, district health officer Dr Ramachandra Bairy and MIA director VV Rao were among those who received the returning Indians along with the DC at the airport.

Public, including friends and relatives of the passengers, were barred entry to the airport.

Rooms in as many as 10 hotels have been reserved to quarantine passengers flying in to Mangaluru from the Gulf. The rooms are priced between Rs 1,000 and Rs 5,400. Meanwhile, those unable to afford rent will be accommodated at government hostels.

Bengaluru, May 8: Karnataka Chief Minister BS Yediyurappa on Friday held a meeting with opposition parties at his office here over COVID-19 situation in the state.

Former Chief Minister Siddaramaiah, Congress leaders SR Patil and DK Shivakumar participated in the meeting. From Janata Dal (Secular), former Chief Minister HD Kumaraswamy and HD Revanna were present.

"Congress legislative party leader Siddaramaiah and DK Shivkumar have arranged the Chief Minister to request the central government to announce a special package of Rs 50,000 crore to Karnataka to fight coronavirus and also special packages requested for small and medium scale industries," said Siddaramaiah's media secretary.

Meanwhile, Yediyurappa has announced a special package for those involved in leather works, especially those who work on the roadside.

The special package has been announced for cobblers and leather workers, who work on the roadside.