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Bengaluru, Jul 3: Karnataka on Friday reported its biggest single day spike of 1,694 new COVID-19 cases, taking the taking the total number of infections in the state to 19,710, the Health department said.
The state also recorded 21 fatalities pushing the number of deaths to 293.

The day also saw 471 patients getting discharged after recovery; even as 201 patients in the state were undergoing treatment in ICU. Of the 1,694 fresh cases reported on Friday, a whopping 994 cases were from Bengaluru Urban alone.

As of July 3 evening, cumulatively 1,9710 COVID-19 positive cases have been confirmed in the state, which includes 293 deaths and 8,805 discharges, the Health department said in its bulletin.

It said, out of 10,608 active cases, 10,407 patients are in isolation at designated hospitals and are stable, while 201 are in ICU.

The 21 dead include five from Bengaluru Urban, three each from Chikkaballapura and Kalaburagi, two each from Vijayapura and Shivamogga and one each from Ballari, Hassan, Davangere, Bidar, Raichur and Bengaluru Rural.

Out of 21, fourteen are men between the age 48-87 years, and seven women between 25-75 years.

Those dead include those with the history of Severe Acute Respiratory Infection (SARI), Influenza-like illness (ILI), inter-state and inter-district travel and cardiac patients.

The contact history of at least four dead people is under tracing.

Out of 1,694 positive cases on Friday, contacts of the majority of the cases are still under tracing.

Among the districts where the new cases were reported, Bengaluru Urban accounted for 994, followed by 97 from Ballari

and Dakshina Kannada, Kalaburagi 72, Tumakuru 57, Bengaluru Rural 44, Dharwad 38, Mysuru 35, Mandya 33, Bidar 28, Chamarajanagara 24, Shivamogga 23, Gadag 19, sixteen each from Udupi and Kodagu, Yadgir 14, thirteen each from Hassan and Belagavi, Kolar 11.

Bengaluru Urban district tops the list of positive cases, with a total of 7,173 infections, followed by Kalaburagi (1,560) and Udupi (1,258). Among discharges, Kalaburagi tops the list with 1,143 followed by Udupi (1,093) and Yadgir (855).

A total of 6,71,934 samples have been tested so far, out of which 18,307 were tested on Friday alone.

So far 6,35,582 samples have been reported as negative, and out of them 16,290 were reported negative on Friday.

Bengaluru, Feb 26: The Karnataka Pre-University Board issued a five-page booklet on Coronavirus ahead of the forthcoming examination to spread awareness among the students, the Board said on Wednesday.

In a statement, the Board said that the booklet contains details on symptoms of the disease, measures to be taken in case of an outbreak and other information. The Board has directed the Directors in all districts to disseminate the information to students through college principals.

The PUC examination begins from March 4 and continues till March 23.

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.