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Sunday, September 21, 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

Ahmedabad’s Calico Museum took away my phone. And then something magical happened

Without my phone, I wasn't thinking about capturing some beautiful textiles for my ‘inspiration gallery’. I was fully present, taking in the colours and patterns on display.

Market regulator SEBI clears Adani Group of impropriety alleged by Hindenburg Research

SEBI probe concluded that purported loans and fund transfers were paid back in full and did not amount to deceptive market practices or unreported related party transactions.

2 Assam Rifles personnel killed as convoy ambushed in Manipur, on ‘same route Modi took’ fortnight ago

This is the first major attack on central security forces since last November, when a CRPF jawan was killed and four were injured in an ambush in Jiribam on Manipur-Assam border. 

India doesn’t give walkovers to Pakistan in war. Here’s why it shouldn’t do it in cricket either

Many really smart people now share the position that playing cricket with Pakistan is politically, strategically and morally wrong. It is just a poor appreciation of competitive sport.