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New Delhi, Apr 24: The trajectory of COVID-19 cases could have plateaued and might even fall for some weeks after the lockdown is lifted but India is likely to see a second wave in late July or August with a surge in the number of cases during the monsoon, say scientists.

The timing of the peak will depend on how India is able to control physical distancing and on the level of infection spreads after restrictions are relaxed, they said.

It looks apparent that the trajectory of daily new cases has reached a plateau and eventually it will take a downward fall, maybe for some weeks or even months, Samit Bhattacharya, associate professor at the Department of Mathematics, Shiv Nadar University, said.

Still, we may get a surge of new cases of the same coronavirus and this will be considered a second wave, Bhattacharya explained.

The second epidemic may come back in late July or August in the monsoon, although the peak timing will depend on how we control social distancing during that time, he said.

Rajesh Sundaresan, professor at Bengaluru's Indian Institute of Science (IISc), agreed.

“Once we return to normal activity levels, there is a chance that infection may begin to rise again. China is seeing this to some extent post easing of some restrictions on travel,” Sundaresan, corresponding author of a working paper by researchers at IISc and the Tata Institute of Fundamental Research (TIFR) in Mumbai, said.

On March 25, when the number of coronavirus cases was 618 with 13 deaths, the government announced a nationwide lockdown that was later extended to May 3.

On Friday, the death toll due to COVID-19 rose to 718 and the number of cases to 23,077, according to the Union Health Ministry.

In good news, officials said this week that the doubling rate of cases has slowed down in the period, going from 3.4 days before lockdown to 7.5 days, with 18 states doing better than the national average. The recovery rate has also almost doubled in the last 10 days.

"Looking at the new cases in the past few days, it seems the growth of new daily infection is much slower than earlier. This apparently indicates that we might have reached at the plateau of the growth curve, Bhattacharya said.

He noted that recent studies in China and Europe observed that the infection might relapse in those people who have already recovered from earlier phases.

So, there is no evidence that the earlier infection may help acquire immunity against the second infection. And in that way, the entire population may be vulnerable to the second wave to some extent, said the scientist.

In their study unveiled this week, IISc and TIFR researchers analysed the impact of strategies such as case isolation, home quarantine, social distancing and various post-lockdown restrictions on COVID-19 that might remain in force for some time.

The study modelled on Bengaluru and Mumbai suggests the infection is likely to have a second wave and the public health threat will remain, unless steps are taken to aggressively trace, localise, isolate the cases, and prevent influx of new infections.

The new levels and the peaking times for healthcare demand depend on the levels of infection spreads in each city at the time of relaxation of restrictions, they said.

The lockdown is currently upon us. It has given us valuable time. Let us test, trace, quarantine, isolate, practice better hygiene, search for a vaccine, etc. We should do these anyway, and these are being done. When and how to lift the lockdown is going to be a difficult decision to make, said Sundaresan.

It's clear that it's going to be phased. What our team is focusing on is to come up with tools to help the decision makers assess the public health impact of various choices, he said.

According to the experts, infectious diseases spread via contact between infectious and susceptible people. In the absence of any control measures, an outbreak will grow as long as the average number of people infected by each infectious person is more than one.

Once enough people are immune there will be fewer people susceptible to the infection and the outbreak will die.

However, when an outbreak is brought under control by social distancing and other interventions, it is possible only a small proportion of the population will have been infected and gained immunity, they said.

This means enough susceptible people may remain to fuel a second wave if controls are relaxed and infection is reintroduced.

Until the vaccine comes on the market, we have to remain alert Once sporadic cases occur here and there in the country, we immediately need to implement quarantine or social distancing locally for the people in that region, and also need to perform tests to identify positive cases irrespective of showing symptoms, Bhattacharya explained.

Note that these monsoon months are also flu season in many places of India. So, we should not ignore the early signs of the flu symptoms. Irrespective of symptoms, we need to increase tests in the hotspots to identify people and contain the surge, he said.

Sundaresan added that the timeline for a second wave will depend on a lot of circumstances which may change as the time passes.

Significant testing may have been underway, there may be behavioural changes with people becoming more careful about their hygiene, wearing masks may become more common, etc. All these responses may help restrict the second wave, he said.

A study published in The Lancet journal earlier this month modelled the potential adverse consequences of premature relaxation of interventions, and found it might lead to a second wave of infections.

The finding is critical to governments globally, because it warns against premature relaxation of strict interventions, the researchers said.

While interventions to control the spread of SARS-CoV-2 are in place, countries will need to work toward returning to normalcy; thus, knowledge of the effect of each intervention is urgently required, they said in the study.

According to a recent analysis by the Harvard Chan School of Public Health, the best strategy to ease the critical care burden and loss of life from COVID-19 might be on-again, off-again social distancing.

In the absence of such interventions, surveillance and intermittent distancing may need to be maintained into 2022, which would present a substantial social and economic burden, the researchers wrote.p

May 20: Prime Minister K P Sharma Oli on Tuesday asserted that Lipulekh, Kalapani and Limpiyadhura belong to Nepal and vowed to "reclaim" them from India through political and diplomatic efforts, as his Cabinet endorsed a new political map showing the three areas as Nepalese territory.

Addressing Parliament, Oli said the territories belong to Nepal “but India has made it a disputed area by keeping its Army there”. “Nepalis were blocked from going there after India stationed its Army,” he said.

“India has deployed its troops in Kalapani since 1962 and our rulers in the past hesitated to raise the issue,” he said, asserting, “We will reclaim and get them back.”

The prime minister asserted that the Nepal government will make political and diplomatic efforts to reclaim the territory.

Oli also expressed the hope that India will “follow the path of truth, shown by Satya Meva Jayate, which is mentioned in the Ashoka Chakra, the national symbol of India”.

The prime minister’s remarks came a day after the Cabinet headed by him endorsed a new political map showing Lipulekh, Kalapani and Limpiyadhura under Nepal’s territory.

Foreign Minister Pradeep Kumar Gyawali said the official map of Nepal will soon be made public by the Ministry of Land Management. The move announced by Gyawali came weeks after he said that efforts were on to resolve the border issue with India through diplomatic initiatives.

Nepal''s ruling Nepal Communist Party lawmakers have also tabled a special resolution in Parliament demanding return of Kalapani, Limpiyadhura and Lipulekh to Nepal.

The Lipulekh pass is a far western point near Kalapani, a disputed border area between Nepal and India. Both India and Nepal claim Kalapani as an integral part of their territory - India as part of Uttarakhand’s Pithoragarh district and Nepal as part of Dharchula district.

Gyawali last week summoned the Indian Ambassador Vinay Mohan Kwatra and handed over a diplomatic note to him to protest against the construction of a key road connecting the Lipulekh pass with Dharchula in Uttarakhand.

India has said that the recently-inaugurated road section in Pithoragarh district in Uttarakhand lies completely within its territory. Indian Army chief Gen MM Naravane last week said that there were reasons to believe that Nepal objected to India''s newly-inaugurated road linking Lipulekh Pass with Dharchula in Uttarakhand at the behest of "someone else", in an apparent reference to a possible role by China on the matter.

He said there was no dispute whatsoever between India and Nepal in the area and road laid was very much within the Indian side.

The 80-KM-long strategically crucial road at a height of 17,000 KM along the border with China in Uttarakhand was thrown open by Defence Minister Rajnath Singh earlier this month.

Nepal has raised objection to the inauguration of the road, saying the "unilateral act" was against the understanding reached between the two countries on resolving the border issues. China on Tuesday said the Kalapani border issue is between India and Nepal as it hoped that the two neighbours could refrain from "unilateral actions" and properly resolve their disputes through friendly consultations.

After the endorsement of Nepal’s new map senior ruling party leader and member of Nepal Communist Party Standing Committee Ganesh Shah said the new move may escalate unnecessary tension between Nepal and India at a time when the country is fighting the coronavirus.

"The Nepal government should soon start a dialogue with India to resolve the matter through political and diplomatic moves," he said.

The new map includes 335-km land area including Limpiyadhura in the Nepalese territory.

The new map was drawn on the basis of the Sugauli Treaty of 1816 signed between Nepal and then the British India government and other relevant documents, which suggests Limpiyadhura, from where the Kali river originated, is Nepal''s border with India, The Kathmandu Post quoted an official at the Ministry of Land Reform and Management as saying.

India and Nepal are at a row after the Indian side issued a new political map incorporating Kalapani and Lipulekh on its side of the border in October last year.

The tension further escalated after India inaugurated the road link connecting Kailash Mansarovar, a holy pilgrimage site situated at Tibet, China, that passes through the territory belonging to Nepal.

Hubli, Jul 12: Union Parliamentary Affairs Minister Pralhad Joshi on Sunday said that the Monsoon session of Parliament will be held with the government ensuring all health precautions for COVID-19 are followed.

"Monsoon session (of Parliament) will certainly be held. The government will do all the formalities and take all precautions," the Parliamentary Affairs Minister told reporters here.

Earlier in March, the Parliament had passed 12 bills during the curtailed budget session with Lok Sabha passing 15 bills and Rajya Sabha 13.
During the session, 19 bills were introduced in the two Houses (18 in Lok Sabha and 1 in Rajya Sabha). The two Houses were adjourned sine die after completion of the budgetary process including passage of the Finance Bill.

The second part of the session was curtailed in view of the threat of the spread of coronavirus.
On June 1, Rajya Sabha Chairman M Venkaiah Naidu and Lok Sabha Speaker Om Birla had held a detailed discussion on holding the ensuing monsoon session of Parliament in view of the coronavirus-induced norm of social distancing, sources said.

They said the leaders have taken note of reports suggesting that the fight against COVID-19 is likely to be a long haul.