Friday, Sep 17, 2021
Outlook.com

Known Unknowns

To achieve herd immunity in a 1.38 billion population, we need to cover 828 million people! The truth is: it may take years, and we still won’t be sure.

Known Unknowns
Known Unknowns
outlookindia.com
2020-11-06T15:37:18+05:30

In conversations with family and friends these days, I am most frequently asked about COVID-19 vacci­nes. My inability to give definitive answers has ­disappointed many who get their Covid information from social media and forwarded messages. The WHO lists over 200 candidate vaccines for Covid being pursued ­seriously, including 49 being clinically tested on human ­volunteers and 11 that have moved to Phase 3 trials to test their efficacy after being shown to be safe. Considering that it takes 10-20 years to produce a successful vaccine, this speed is phenomenal, and made possible by science, new ways of testing and financing vaccines. But bottlenecks remain.

India supplies about 40 per cent of the world’s vaccines—about 2.3 billion doses, of which 74 per cent are exported and 26 per cent consumed domestically. To achieve 60 per cent coverage for 1.38 billion people—often cited as the herd immunity threshold—India would have to vaccinate 828 million people. Since all leading vaccine candidates would be needed in at least two doses,...

Advertisement

Outlook Newsletters

Read More from Outlook

Kohli's Stepping Down As India's T20 Captain Part Of BCCI 'Roadmap'

Kohli's Stepping Down As India's T20 Captain Part Of BCCI 'Roadmap'

Virat Kohli will hand over India's T20 captaincy after the World Cup in October-November. Given his IPL record as skipper, Rohit Sharma is widely tipped to succeed Kohli.

24 New Ministers Sworn In To Gujarat Cabinet, Bhupendra Patel To Hold First Meeting As CM

24 New Ministers Sworn In To Gujarat Cabinet, Bhupendra Patel To Hold First Meeting As CM

Governor Acharya Devvrat administered the oath to 10 cabinet ministers and 14 ministers of state along with five ministers of state with independent charge.

FM Sitharaman Announced Setting Up Of National Asset Reconstruction Company

FM Sitharaman Announced Setting Up Of National Asset Reconstruction Company

Finance Minister Nirmala Sitharaman on September 16 announced that the Cabinet has approved a central government guarantee of up to Rs 30,600 crore to back security receipts to be issued by National Asset Reconstruction Company Limited (NARCL). The guarantee would be valid for a period of five years. Asset reconstruction companies (ARCs) generally buy distressed assets with a 15 per cent cash payment and 85 per cent in security receipts.

Farmer Protests: Haryana Govt Forms Committee To Resolve Highway Blockade Issue

Farmer Protests: Haryana Govt Forms Committee To Resolve Highway Blockade Issue

Haryana government constituted a state-level committee to hold discussions with the farmers’ and farmers’ unions regarding the ongoing blockade of NH-44 by protesting farmers.

Advertisement