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Bengaluru, Apr 18: The Karnataka government has fixed the cost of test for COVID-19 in private laboratories at Rs 2,250, an official said on Friday.

"Based on the discussions and negotiations, the cost per test has been fixed at Rs 2,250. This includes the screening test and a confirmatory test," said order by Health and Family Welfare Department's Additional Chief Secretary Jawaid Akhtar.

A total of 16 laboratories (11 government and 5 private) have been approved by the Indian Council of Medical Research (ICMR) for testing samples of possible COVID-19 cases in the state.

Realising that early detection of coronavirus cases and timely treatment was the need of the hour, meetings were held to rope in more private laboratories to conduct COVID-19 sample tests.

As per the protocol by the Centre, testing the samples of suspected COVID-19 cases can be taken up in private laboratories subject to conditions which include sharing the lab data pertaining to the diagnosis of COV1D-19 with the state government and with the ICMR on a timely basis.

As per the Union Health Ministry, 353 people have infected from coronavirus in the state of which 83 are cured and discharged and 13 succumbed to the virus.

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 14: Ahead of the week-long lockdown in Bengaluru starting from Tuesday night, around 35,000 people have left the city and grocery stores and liquor shops are witnessing a rush with customers thronging to stock up on for the shutdown.

According to transport department officials, labourers from other parts of the state migrated in good numbers from Bengaluru ahead of the lockdown fearing that they would have to face similar challenges as they had to confront during the previous shuttering. 

"Yesterday 35,000 passengers left Bengaluru. The number is big given the fact that we are allowing a limited number of passengers in the buses to maintain social distancing," a KSRTC official said.

Tipplers made a beeline for liquor shops and a senior State Excise official said liquor worth Rs 230 crore was sold on Monday alone.

"There was apparently a mad rush yesterday.India Made Foreign Liquor worth Rs 215.55 crore and 14.83 crore worth beer was sold...," the officer said.

In view of the rising coronavirus cases in the city at an alarming proportion, the government decided to impose lockdown from Tuesday 8 pm till 5 am on July 22.

Later, Dharwad and Dakshina Kannada districts too decided to impose a lockdown for nine days and seven days respectively from Wednesday.

"For the past two days there is an unusual rush of customers in our store," an executive of the Metro Cash and Carry said.

According to him, people are buying grocery items and vegetables with long shelf life such as onion, potato, radish, carrot and beetroot.

A salesperson at the Star Bazaar too said people were thronging the store for the past two to three days.

During the Sunday curfew, Home Minister Basavaraj Bommai said the week-long lockdown will be stringent one and government has made all arrangements to address all concerns ahead of the shutdown.

As many as 19,702 people in Bengaluru have tested positive, of which there are 15,052 active cases, while 4,328 have been discharged.

The number of fatalities as of Monday is 321.

Across Karnataka, 41,581 people have tested positive for coronavirus including 24,572 active cases, 16,248 discharges and 757 deaths since the outbreak of the pandemic in the state.