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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.

Tightening control over companies misleading advertisements of medicines and products, the Indian government could soon slap a fine of up to Rs10 lakh and up to two years' imprisonment. While repeat offender could be fined up to Rs50 and imprisonment up to five years.

The Ministry of Health and Family Welfare's new draft of the Drugs and Magic Remedies (Objectionable Advertisements) (Amendment) Bill, 2020, provides extremely stringent penalties compared to the current law.

Under the new Act, companies advertising medicines and products falsely claiming to make a person fairer, improve height and memory or cure issues like hair loss or greying and premature ageing, among several others, may attract more stringent fines and jail time.

The current Act, 1954, leaves scope for companies to create deceptive advertisements as first time offender can be jailed for six months while repeat offender can be up to one year in prison, reported The Indian Express.

Under the Bill, deceptive advertisements will cover digital advertising, notice, circular, label, wrapper, invoice, banner and poster, among others. The government also plans to expand the scope of the law under the proposed amendments to cover 24 more deceptive claims not included in the current law, like medicines that can cure AIDS, change the sex of a foetus, among others, reported Livemint.

New Delhi, Apr 9: The Delhi Police has traced Tablighi Jamaat leader Maulana Saad Kandhalvi, who has been on the run after an FIR was registered against him for organising a religious gathering last month despite restrictions to combat the coronavirus, sources said on Wednesday.

The cleric has been traced to Zakir Nagar in southeast Delhi, sources said.

His lawyer Tauseef Khan, however, said Saad is under self-quarantine and will join investigation after his quarantine period is over.

On March 31, Delhi Police's Crime Branch lodged an FIR against seven people, including the cleric, on a complaint by Station House Officer Nizamuddin for holding the congregation here allegedly in violation of the orders against large gathering and not maintaining social distancing to contain the spread of coronavirus.

A day later, the Delhi Police's Crime Branch wrote to Saad and others, seeking the details under Section 91 of the Code of Criminal Procedure. A second notice was also issued to him this week.

"Saad is currently under self-quarantine and will join investigation once the period of 14 days gets over," his advocate, Tauseef Khan, told PTI.

Saad's quarantine is expected to end next week.

His lawyer said a reply to the second notice will be given soon.

In an audio message last week, Saad said he was exercising self-quarantine after several hundreds who visited the Tablighi Jamaat's Nizamudddin markaz tested positive for coronavirus.

Visited by thousands last month, the Nizamudddin centre also turned out to be a hotspot for spread of coronavirus not only in national capital and country.

According to the FIR, the Delhi Police contacted the centre on March 21 and reminded them of the government order that prohibited any political or religious gathering of more than 50 people.

However, no one paid any heed to the police's direction, it said. Moreover, an audio recording purportedly of Saad was found in circulation on WhatsApp on March 21, in which he was heard asking his followers to defy the lockdown and social distancing and to attend the religious gathering of the Markaz.

On March 24, the government ordered 21-day nationwide lockdown and restricted any social, political or religious gathering.

The same day a meeting was held at Hazarat Nizamuddin police station between SHO and officer bearers of the centre.

The meeting was attended by Saad, Mohammad Ashraf, Mohammad Salman, Yunus, Mursaleen Saifi, Jishan and Mufti Shehzad and they were informed about lockdown orders.

So far, several hundred cases of COVID-19 cases across the country have been found to be linked to the Tablighi Jamaat congregation held in Delhi last month.

More than 25,500 Tablighi members and their contacts have been quarantined in the country after the Centre and the state governments conducted a "mega operation" to identify them.

At least 9,000 people participated in the religious congregation in Nizamuddin. Later, many of the attendees travelled to various parts of the country.