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Tuesday, April 28, 2026
TopicSerological survey

Topic: serological survey

4th sero survey finds 2 of 3 Indians with Covid antibodies, but still avoid crowds, ICMR warns

According to fourth national sero survey, by June this year, India was detecting just 1 in every 30 Covid cases, highest sero positivity found in 45-60 years age group (77.6 per cent).

Children unlikely to be ‘disproportionately’ affected by any future 3rd wave: AIIMS sero survey

At 55.7% and 63.5%, respectively, a mid-term analysis of the AIIMS survey found seroprevalence in children already high and comparable to the adult population.

Half of India’s population could have antibodies against Covid, Credit Suisse estimates

According to Neelkanth Mishra, a top official at Credit Suisse, many districts could have herd immunity. However he noted this was just a hypothesis and an actual sero survey should follow.

India reported over 1.5 crore Covid cases since January, yet no sero surveys announced so far

The last sero survey from December 2020 estimated that India was missing infections by a factor of 27. Without a sero survey no such assessment is possible now.

This CSIR sero survey could partly explain why India is in the grip of Covid wave again

CSIR conducted 2 follow-up sero surveys on people found to be seropositive in a nationwide survey last year. The one conducted after 6 months revealed an interesting finding.

Kerala sero survey finds 10.76% people with Covid antibodies, police personnel top the list

The survey shows Kerala missed an estimated 27 lakh infections — it managed to detect one in four Covid-19 cases.

India beat Covid ‘doomsday’ prophecies, made ‘monumental strides’ in handling pandemic: ICMR 

ICMR, in its newsletter, lists achievements — from starting a multi-centre trial on plasma therapy to conducting national sero surveys — but says we must remain 'Covid conscious'.

Very young children may have low Covid infection rate, French study in Lancet shows

The study published in The Lancet Child & Adolescent Health is the first to estimate seroprevalence in pre-school settings.

Over 50% people in 10 Delhi districts show Covid antibodies, latest sero survey says

Only North district was found to have less than 50% seroprevalence in a survey, the largest so far in Delhi, conducted in January by Maulana Azad Medical College.

43 lakh people could have been infected by Covid in Iran’s first wave, study in Lancet says

After China, Iran was one of the first countries to be hit by the Covid-19 pandemic, with the first death reported in February this year.

On Camera

Bengal once had arenas for identity battles—stadiums, football, jerseys. Now it’s polling booths

From Mohun Bagan and East Bengal to Mohammedan Sporting, footbclubs once shaped identity, pride and belonging across Bengal’s social fabric. Now, the political field has taken over.

As govt weighs mandatory silver hallmarking, new report flags economic & operational bottlenecks

Koan Advisory report warns that infra gaps could hurt small businesses and artisans, recommends transition period of 3-5 yrs for industry to adapt.

What theaterisation could look like: Rotational CDS, three-star theatre commanders in initial years

The proposed structure envisions the post of Chief of Defence Staff (CDS) rotating between the Army, Navy and Air Force, it is learnt.

Trump, Netanyahu’s Iran gamble: The regime change rebound

American objectives are unmet. They neither have muscle nor motivation to resume the war. As for Iran, the regime didn’t just survive, it’s now led by more radical individuals.