scorecardresearch
Wednesday, August 27, 2025
TopicHerd immunity

Topic: herd immunity

2021’s Covid outbreak in Delhi shows herd immunity against Delta difficult, study says

The study also stated that Delta variant was 30-70% more transmissible than previous SARS-CoV-2 lineages & the 2020 Covid outbreak in Delhi was unrelated to any variant of concern.

Why the world may never reach herd immunity against Covid-19

New variants like Delta, which are more transmissible and have been shown to evade protections in some cases, are moving the bar for herd immunity near impossibly high levels.

Belief in ‘herd immunity’ was biggest illusion, paved way for 2nd Covid wave, experts say

Experts say the biggest mistake was allowing the virus to travel freely into the rural areas, adding that eradication of the virus now is too far-fetched an idea.

How to win over vaccine sceptics & build herd immunity? Listen

While Covid-19 has been a catastrophe, it’s also an unprecedented opportunity, given the visible public health ravages, to change minds and prove the value of vaccines.

Herd immunity ‘very difficult’ to achieve, says AIIMS director

AIIMS director Randeep Guleria said one should not think of herd immunity in 'practical terms' in India, especially in the times of 'variant strains' of Covid-19 and varying immunity.

90% of milk in India comprises A2 protein, says Amul managing director

A selection of the best news reports, analysis and opinions published by ThePrint this week.

Here’s why Brazil’s Manaus is battling a second Covid wave despite natural ‘herd immunity’

Covid-19 in Manaus peaked in April-May 2020 and then developed a supposed 76% herd immunity by October, but the Brazilian city is now besieged by a second wave.

Delhi could be heading towards attaining ‘herd immunity’, latest sero-survey indicates

The survey has found that in one district, 50-60 per cent of the sampled population has developed antibodies to Covid-19, say sources.

Indians must have no confusion about how we reached impressive Covid herd immunity

India’s masses didn’t have the luxury to ‘work from home’ and follow social distancing, but they might have silently built India’s herd immunity.

Herd immunity could be closer than we think, vaccines must end isolation

Evidence is compelling that a robust and rapid vaccination campaign could render Covid less of a threat than seasonal flu through building herd immunity.

On Camera

Sergio Gor as US envoy raises red flags. Delhi must read the signal, be optimistic

Delhi must see opportunity in the new envoy, to be prepared for hurdles, yet be forward-looking and free of preconceived notions that could spoil any chances of a breakthrough.

New insolvency frameworks to shorter timelines, how 2025 amendment bill proposes to transform IBC

New bill aims to fix key issues with IBC 2016, including delays & patchy implementation, and protect creditors, with window for genuine promoters to retain control of their companies.

‘Not troop size or weapons but tech matters, need to prepare for long conflicts’—Rajnath Singh

At Ran Samvad seminar, defence minister spoke about reasons behind success of Op Sindoor, explained how warfare changed in real time & called for upgradation of tech & cyber infra.

That Oval Office picture for ages deserves closer Indian reading, with a geopolitical lens

Putin sees this as a victory. Europeans have decided to deal with Trump on his terms for the sake of the larger Western alliance. We look at the lessons for us in India.