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Bengaluru, Feb 3: The Karnataka government on Monday ordered high alert across border districts after neighbouring Kerala reported the second confirmed case of dreaded n-CoV Coronavirus. District administrations in Kodagu, Mangaluru, Chamarajanagar and Mysuru that share boundary with Kerala have been put on high alert over the movement of people with suspected cases.

In a statement released on Monday, the Health and Family welfare department said that these districts have been directed to immediately report to the State Surveillance Unit (SSU) if they come across any suspected cases of people infected with Coronavirus.

Currently, about 51 people who returned from Coronavirus-affected regions have been identified and 46 are under home isolation across Karnataka. So far, 44 samples have been sent to the National Institute of Virology, Pune for analysis and out of which 29 samples have revealed negative results. Yet, the state government has put in all possible measures to check the spread of the virus in any part of the state.

Mangaluru, May 15: Dakshina Kannada saw a record spike in the number of fresh COVID-19 cases today, which triggered panic among the people of the district, which is currently under orange zone.   

According to the mid-day bulletin of the Department of Health and Family Welfare, as many as 16 people from Dakshina Kannada tested positive for the covid-19. 

Among them 15 are the Gulf returnees who were brought by an Air India Express special flight from Dubai to Mangaluru International Airport on May 12. 

As many as 179 repatriates had landed at Mangaluru Airport. Among them 125 are quarantined in Dakshina Kannada, 49 in Udupi and five in Uttara Kannada districts.  

Meanwhile, a 68-year-old woman from Surathkal area in Mangaluru, who is suffering from Severe Acute Respiratory Infection (SARI) was also tested covid-19 positive.

This is the highest number of cases reported in a single day since first case registered in the district on March 22 when Dubai-bound youth from Bhatkal was tested positive. 

With this the total number of covid-19 cases in the district mounted to 50 including five deaths. Many of them have returned home after recovery.

3 members of a family test positive

According to Deputy Commissioner Sindhu B Rupesh, three members of a same family are among 15 gulf returnees who are tested positive.  They are a 45-year-old man, his 33-year-old wife and their 6-year-old child. 

Six among those who tested positive today are above 60 years of age, said the deputy commissioner. 
 

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.