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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

United Nations, Jul 10: India is a "good example" as solar auctions have seen popularity amidst the height of the COVID-19 pandemic, UN chief Antonio Guterres said on Thursday, underlining that renewable energy is the only energy source expected to grow in 2020 and offers more jobs than the fossil fuel industry.

In his remarks to the International Energy Agency "Clean Energy Transition Summit'', UN Secretary-General Guterres urged the international community to commit to further usage of coal and to end all external financing of coal in the developing world.

"Coal has no place in COVID-19 recovery plans. Nations must commit to net-zero emissions by 2050 and submit more ambitious national climate plans before COP-26 next year," he said.

"The seeds of change are there. Renewable energy is the only energy source expected to grow in 2020. Solar auctions have seen popularity amidst the height of the pandemic. India serves as a good example. Renewables offer three times more jobs than the fossil fuel industry," Mr Guterres said.

Last month, Adani Green Energy said it has bagged the first of its kind manufacturing-linked solar contract worth Rs 45,000 crore from the Solar Energy Corporation of India (SECI) to develop 8 GW electricity generation capacity and 2 GW equipment manufacturing facility in the country.

Mr Guterres said he has asked all countries to consider six climate positive actions as they rescue, rebuild and reset their economies.

"We need to make our societies more resilient. We need green jobs and sustainable growth," he said, adding that bailout support to sectors such as industry, aviation and shipping should be conditioned on alignment with the goals of the Paris Agreement.

Countries also need to stop wasting money on fossil fuel subsidies and place a price on carbon, he said, noting that countries need to consider climate risk in their decision making.

"Every financial decision must take account of environmental and social impacts. Overall, we need to work together," he said.

Patna, Apr 9: In a horrifying incident, a migrant woman was sexually abused in a Gaya hospital where she was kept in an isolation ward. Three days later, she died due to excessive bleeding.

The matter came to light on Tuesday when her mother-in-law informed the authorities concerned about the shocking incident.

The 25-year-old victim had returned to Bihar’s Gaya district from Ludhiana (in Punjab) along with her husband on March 25. Before returning to her in-laws’ place, she had undergone abortion at Ludhiana just when she was two months pregnant.

On reaching Gaya, she complained of excessive bleeding. Her husband admitted her to Anugrah Narain Magadh Medical College and Hospital (ANMMCH) on March 27 where she was kept in the emergency ward.

Later, on April 1, on being suspected to be coronavirus patient, she was kept in an isolation ward. Her family members alleged that it was in this isolation ward where a doctor attending to her overnight outraged her modesty for two successive nights on April 2 and 3.

“The following day, she was discharged from the hospital after her coronavirus test report was found to be negative. However, after returning home, she remained aloof and struck by fear. On questioning, she revealed how a doctor had sexually abused her in the isolation ward. On April 6, she passed away due to excessive bleeding,” said her mother-in-law.

On receiving the information, the local police asked the mother-in-law to come to the hospital on Tuesday and identify the doctor (about whom the victim had given a description). However, the accused was not identified.

“Prima facie, the matter is serious. We are verifying the allegations. We will dig out the CCTV footage in the hospital and take strict action after identifying the culprit,” said Dr VK Prasad, the hospital superintendent.

Meanwhile, the Gaya police have arrested two people who posed as doctors and entered the isolation ward using doctors’ kits. One of the apprehended people works in a private.