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Friday, November 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

India can face multi-front conflicts with hostile Dhaka. New Delhi missed chance to engage BNP

India's projects related to BIMSTEC, Look-East-Act-East and Indian Ocean Rim Association could suffer a setback, impacting trade with South Asia and the South-South Cooperation agenda.

At Charcha 2025: Local entrepreneurship, not just big IT, will drive next wave of distributed AI work

While global corporations setting up GCCs in India continue to express confidence in availability of skilled AI engineers, the panel argued that India’s real challenge lies elsewhere.

Tejas fighter aircraft crashes at Dubai Air Show

The aircraft was undertaking a manoeuvre when it plummeted to the ground and burst into a ball of flame. Visuals suggest that the pilot was unable to eject.

INDIA has a Congress-sized hole. And the fix begins with a little humility

Without a Congress revival, there can be no challenge to the BJP pan-nationally. Modi’s party is growing, and almost entirely at the cost of the Congress.