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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

New Delhi, Mar 29 : Notwithstanding the 21-day coronavirus lockdown, the Reserve Bank of India (RBI) has decided to go ahead with the merger plan of ten state-run banks into four larger bank from April 1. The apex bank has issued four separate releases announcing that the branches of merging banks will operate as of the banks in which these have been amalgamated from next month.

RBI's statement comes after Finance Minister Nirmala Sitharaman's clarification on Thursday that the mega bank consolidation plan was very much on track and would take effect from April 1.

The government on March 4 had notified the amalgamation schemes for 10 state owned banks into four as part of its consolidation plan to create bigger size stronger banks in the public sector.

Bank officers' unions, however, earlier this week wrote to the prime minister seeking to defer the merger schemes of lenders due to the lockdown triggered by coronavirus outbreak.

As per the scheme, Oriental Bank of Commerce and United Bank of India will be merged into Punjab National Bank; Syndicate Bank into Canara Bank; Allahabad Bank into Indian Bank; and Andhra and Corporation banks into Union Bank of India.

Under this, the branches of Oriental Bank of Commerce and United Bank of India will operate as branches of Punjab National Bank from April 1, 2020, and branches of Syndicate Bank as that of Canara Bank, the RBI said in a separate releases.

Allahabad Bank branches will operate as those of Indian Bank while the branches of Andhra Bank and Corporation Bank will function as the branches of Union Bank of India from the beginning of next fiscal year 2020-21, the RBI said.

"The Amalgamation of Oriental Bank of Commerce and United Bank of India into Punjab National Bank Scheme, 2020 dated March 4, 2020, issued by the Government of India... The scheme comes into force on the 1st day of April 2020," RBI said.

Customers, including depositors of merging banks will be treated as customers of the banks in which these banks have been merged with effect from April 1, 2020, the RBI noted.

Banking services across the country are impacted due to the effect of COVID-19 as a near shut down is being observed across the country.

In a letter written to the Prime Minister on March 25, the All India Bank Officers'' Confederation (AIBOC) said, "The finance minister yesterday announced a slew of measures in view of the deleterious effect of the contagion. We are also expecting an extension of closing related activities and the revision of the closing date itself from March 31 to June 30, which is the need of the hour."

New Delhi, April 4: With 355 new cases reported in the last 12 hours, India's tally of coronavirus positive cases rose to 2,902, said the ministry of Health and Family Welfare on Saturday.

Out of 2,902 cases, 2,650 are active cases and 184 have been cured or discharged or have migrated.

The total number of deaths reported due to the disease rose to 68 on Saturday.

According to the Ministry of Health and Family Welfare, Maharashtra is the worst-hit state with 423 cases. Tamil Nadu is the next most affected state with 411 cases.

The number of COVID-19 cases in Delhi also rose to 386.

The Tablighi Jamaat event in Delhi has emerged as a hotspot for COVID-19 after several positive cases from across India were linked to the gathering including deaths in Maharashtra, Karnataka, and Telangana.

An FIR was earlier registered against Tablighi Jamaat head Maulana Saad and others under the Epidemic Disease Act 1897, in the national capital.