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Udupi, June 30: A girl who appeared for SSLC exams in three subjects tested positive for COVID-19 in Kundapur taluk of Udupi district today.

Sheshashayana Karinja, Deputy Director of Public Instruction (DDPI) said that the 15-year-old girl had a headache and her parents took her for testing and she had tested positive for COVID-19.

She will appear for the remaining three subjects during the supplementary exams in August.

The room where the girl appeared for the exam had been sanitised. But exams would not be held in that room. All precautions have been taken in that exam centre in Kundapur taluk, Mr. Karinja said.

The other 19 students will be allowed to write their exams as there was a distance of one metre between them and there was no contact between the students during the exams, Mr. Karinja added.

It is learned that a couple of months ago, a Mumbai returnee who recovered from COVID-19 had visited the girl’s house. However, it is not clear that she got an infection from the Mumbai returnee.

It could be recalled here that a student from Hejamadi in Udupi district who was preparing for the Science exam had tested positive two days back and she is currently being treated at a hospital.

Bengaluru, Feb 26: Karnataka Police and intelligence have been asked to be on alert in the wake of communal violence in Delhi and take preemptive measures, state Home Minister Basavaraj Bommai said here on Wednesday.

"We have been keeping a close watch on the developments after the Delhi incident. I have instructed my officers to be on alert and take precautionary actions rather than actions after the incidents," Bommai told media.

"The day before yesterday we had a high-level meeting...we are having a close watch," he added.

Violence erupted in Delhi on Sunday evening after groups protesting against the Citizenship Amendment Act (CAA) and those supporting it indulged in stone pelting at each other.

The confrontation soon turned communal and the violence spread to other areas of northeast Delhi including Chand Bagh, Mustafabad, Brijpuri, Shiv Vihar and Noor Ilahi on Monday and Tuesday in which at least 20 persons, including a police head constable, have died and over 200 have been injured.

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.