New Delhi: India is unlikely to see a Covid wave like the devastating second one unless there is a new immune escaping variant but the lower number of cases does not necessarily mean the pandemic is now endemic, several experts said on Friday. Giving hope and also injecting a note of caution as the festive season peaks with Diwali just days ahead, they said a dipping Covid graph is only part of the picture and pointed to factors such as the mortality rate, the need for a larger vaccination cover and examples of countries such as UK where numbers are again rising.
A day after India reached the milestone of 100 crore Covid vaccine doses, virologist Shahid Jameel said vaccination rates have improved significantly but more needs to be done.
I am not sure we are in the endemic state yet… As we celebrate this (100 crore) landmark, there is still some distance to go. We are going towards endemicity, but are not there yet, Jameel, a visiting professor at Ashoka University in Haryana, told PTI in an email interview.
He also noted that daily confirmed COVID cases in India have been decreasing slowly over the past three months from about 40,000 per day to about 15,000 per day now. According to Union Health Ministry data on Friday, there were 15,786 new COVID-19 cases, marking 28 straight days of a daily rise of less than 30,000.
The death toll climbed to 4,53,042 with 231 deaths. Jameel, one of India’s best known virologists, also pointed out that the mortality rate in the country remains steady at about 1.2 per cent.
This tells me that the vaccine coverage in India still needs to increase, he added.
A disease is described as endemic when it continues to be present within a given geographical area but its impact is manageable.
There have been some confused claims about this recently… Low cases for some time do not necessarily mean endemicity. It is possible that endemicity is close in some parts of the country, but the data needed to confirm this is not easily available,” added Murad Banaji, senior lecturer in mathematics at UK’s Middlesex University who has been closely tracking India’s Covid graph and has done several model studies. For example, we do not know how many current infections are occurring amongst people who have been vaccinated or infected before, Prof Banaji told PTI.
He added that nobody knows what an “endemic future” would look like or what levels of Covid to expect. What is likely is that measures to control transmission will still be needed for some years to come. Epidemiologist Ramanan Laxminaryan concurred, saying there can be periodic flare-ups even with an endemic disease as is being observed in the UK.
I believe we should wait for another two months before determining whether COVID-19 poses a significant future threat to the country, Laxminarayan, director of the Center for Disease Dynamics, Economics & Policy in Washington, told PTI in an email interview.
In the UK, Jameel noted, the caseload has increased from about 30,000 cases per day in mid-September to almost 50,000 cases per day. However, the mortality rate has fallen from 2 per cent in mid-July to about 0.2 per cent now. In the US, after reaching almost 200,000 cases per day in early September, the cases are now down to about 80,000 per day. However, mortality rate remains the same as earlier in the year.
The experts said India will continue to experience local increases in Covid cases even though it is unlikely to see another overwhelming surge in infections like it did during the second wave when the country’s healthcare system was overwhelmed and thousands died. Banaji said there have been a large number of recent infections, and vaccination has been proceeding at a reasonable pace.
…These both reduce the likelihood of a major new wave in the next few months, he explained. New variants could potentially still pose a challenge. Any new variant which spreads much more easily, especially amongst people who are vaccinated or have been previously infected, could lead to new surges.
Hopefully, he added, India will not see a wave on the scale of April-June 2021 ever.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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