Advertisement
Friday, Oct 22, 2021
Outlook.com

The Report In Blood

Serosurveys suggest high prevalence of Covid infection, but little indication that herd immunity is kicking in

The Report In Blood
Blood Markers |
The Report In Blood
outlookindia.com
2020-09-25T13:30:02+05:30

Three months after it first mapped out the country’s COVID-19 footprint, the Indian Council of Medical Research (ICMR) finally published the details of its survey in early September, by which time the information had become outdated. Still, it did provide a clearer picture of what the early stage of the epidemic in India looked like. First, that there likely were 6.4 million infections by early May when the month-long nationwide serosurvey was carried out­—the study involved 28,000 individuals across 70 districts and the results indicated that 0.73 per cent of India’s adult population had been exposed to the virus. It meant that for every Covid-positive case confirmed by a swab test, there were 82-130 infections that hadn’t been picked up.

Experts reckon that’s not unusual—these are antibody tests that scan blood samples for Immunoglobulin G (IgG), which the body ­produces to fight an infection. After all, the RTPCR swab test is largely conducted on people with symptoms (and those who report them), so its net isn’t wide...

Advertisement

Outlook Newsletters

Advertisement
Advertisement
Advertisement

Read More from Outlook

100 Crore Shots: How India Crossed The Covid-19 Vaccine Milestone in 279 Days

100 Crore Shots: How India Crossed The Covid-19 Vaccine Milestone in 279 Days

As of Friday, more than 102.4 crore Covid-19 vaccine doses have been provided to the states and Union territories so far through the Central government. A look at the journey so far.

Live: PM Modi Addresses Nation On Achieving 100 Crore Vaccine Milestone

Live: PM Modi Addresses Nation On Achieving 100 Crore Vaccine Milestone

Prime Minister Narendra Modi addresses the nation in the wake of India, recently crossing the mark of 100 crore Covid-19 vaccination shots.

Deepika, Ranveer Eye New IPL Team, Manchester United Keen Too

Deepika, Ranveer Eye New IPL Team, Manchester United Keen Too

The two new IPL teams will be announced on October 25 in Dubai, a day after the high-profile India-Pakistan T20 World Cup clash. Close to 15 companies have shown their interest to bid.

Covid-19 Booster Dose: US CDC Gives Nod To 'Mixing And Matching' Of Vaccines

Covid-19 Booster Dose: US CDC Gives Nod To 'Mixing And Matching' Of Vaccines

United States Centre for Disease Control is allowing the flexibility of 'mixing and matching' the booster dose regardless of which type of shot people received first.

Advertisement