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Sunday, July 03, 2022

Herd Immunity


Herd immunity was sold as the path out of the pandemic. Here's why we're not talking about it any more

June 12, 2022 12:34 pm

If enough people in the community develop immunity to an infectious agent such as a virus, an epidemic is unable to grow.

Two-thirds of Indians have Covid antibodies, 40 crore still at risk: ICMR

July 21, 2021 8:12 am

The serosurvey, the fourth such exercise, was conducted in June and July, after the second wave had began to subside.

Covid-19 and herd immunity: Everything you need to know

June 22, 2021 6:31 pm

According to Dr Rajeev Boudhankar, internal medicine (MD) and CEO-Bhatia Hospital, "in India, given the present status of the pace of vaccination and availability of vaccines, it is still a long way to develop herd immunity"

An Expert Explains: The complexities of herd immunity

April 30, 2021 8:42 am

In several metros where serosurveys showed high immunity levels, Covid cases are still surging. What does that say about the concept of 'herd immunity'? Accounting for transmission involves several factors.

IMA urges Centre to provide free Covid-19 vaccines to all

March 03, 2021 4:29 pm

The medical association also asked Prime Minister Narendra Modi to ensure that the vaccination registration portal is made more public-friendly.

Herd immunity difficult to achieve: AIIMS Director Randeep Guleria

February 22, 2021 7:26 am

"And one should also remember that large number of people have had mild infections and we do know that those with mild infection tend to have less antibodies production, their antibodies tend to wane over a period of time," AIIMS Director Randeep Guleria said.

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

January 25, 2021 8:01 pm

The survey has found that in one district, 50-60 per cent of the sampled population has developed antibodies to COVID-19, they said.

Sweden sees no signs so far herd immunity is stopping virus

November 26, 2020 3:40 pm

Sweden, which opted for herd immunity against a national lockdown, has the most number of of coronavirus cases in the Nordic region.

In Pune, first signs of ‘herd immunity’ in small population groups

November 21, 2020 8:30 pm

Serosurveys, like the ones carried out in several other cities as well, estimate the extent of the disease spread by detecting antibodies among surveyed population groups.

Herd immunity debate shows that both scientific and moral judgement matters in Covid battle

November 17, 2020 8:44 am

The COVID-19 situation underscores the importance of combining good science with prudent judgment to meet the needs of large populations, while maximising scientific quality in the face of applicable limitations and competing interests.


Quixplained: What is herd immunity, how it works

August 07, 2020 8:31 am

Herd immunity is a stage of an epidemic in which some members of a population group remain protected from infection because a majority of those around them have already developed immunity, either through vaccination or because they have been infected earlier.