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A worker carries an oxygen concentrator inside the COVID-19 facility of Commonwealth Games Village in view of the rising Omicron cases in New Delhi, Wednesday, Dec. 22, 2021. (PTI/Shahbaz Khan)

Immune response induced by Omicron effectively neutralise Delta...

The main limitation of this study are lesser participants in the unvaccinated group and the shorter window period post...

26 Jan 2022 4:11 PM IST

Dr Bartley P. Griffith, a leading cardiothoracic surgeon, at the University Of Maryland Medical Center, Baltimore, USA. (Twitter)

A pig's heart beats inside a human!

The transplant was achieved by Dr Bartley P. Griffith, a leading cardiothoracic surgeon at the University Of Maryland...

14 Jan 2022 2:23 AM IST

A child plays soccer amid low visibility due to fog on a cold winter morning, in New Delhi. (Photo: PTI)

Decrease in air pollution in India during lockdown not as high as...

Air pollution is a known health risk and India has some of the worst air pollution globally

2 Jan 2022 4:03 PM IST

A man receives a nasal swab during a test for Covid-19 at a street-side testing booth in New York. (APF)

No evidence Omicron has lower severity than Delta variant: UK study

The study estimates that the risk of reinfection with the Omicron variant is 5.4 times greater than that of the Delta...

20 Dec 2021 2:09 PM IST

In this Sept. 14, 2021, file photo, a syringe is prepared with the Pfizer COVID-19 vaccine at a clinic. (Photo: AP)

2 doses of Covid vaccines induce lower antibody levels against...

The researchers noted that these data are important but are only one part of the picture

14 Dec 2021 1:47 PM IST

Melva Mlambo, right, and Puseletso Lesofi, both medical scientists prepare to sequence COVID-19 omicron samples at the Ndlovu Research Center in Elandsdoorn, South Africa. (AP /Jerome Delay)

Signs of Omicron milder than Delta variant: South African doctors

Just 3% of patients hospitalized recently with COVID-19 have died, versus about 20% in the country's earlier outbreaks

12 Dec 2021 12:23 PM IST

The Yale team is currently testing nasal vaccine strains against COVID strains in animal models. (Representational Image: ANI)

Nasal vaccine might help fight new COVID-19 variants: Study

The research has been published in the 'Science Immunology Journal'

11 Dec 2021 12:48 PM IST

A health worker takes a nasal swab samples of a passenger to test for COVID-19, at a bus stand in Ahmedabad, India, Friday, Nov. 12, 2021. (AP/Ajit Solanki)

Risk of reinfection from Omicron three times higher than any other...

National daily cases almost doubled on Wednesday, days after countries across the world halted flights to and from...

3 Dec 2021 3:57 PM IST

Earlier the National Institute for Communicable Diseases said the daily number of new confirmed cases in South Africa almost doubled to 8,561 infections in the last 24 hours. (Bloomberg)

New warning on Omicron variant severity from South African scientists

Leading South African scientists warned it is still too early to determine that the omicron variant will only cause mild...

2 Dec 2021 12:20 PM IST

Virologist Dr Shahid Jameel (Wikipedia)

Very large number of Indians may be protected from Omicron: Virologist...

Jameel said more data is awaited but vaccine effectiveness against the variant may dip by a few points

30 Nov 2021 12:49 PM IST

A health worker prepares a syringe with a dose of a Covid-19 vaccine in Bimbo, near Bangui, on November 15, 2021. (AFP)

Explainer: Here's what we know so far about the new variant in South...

A new variant of the coronavirus that causes Covid-19 has been identified in South Africa, with officials there saying...

26 Nov 2021 1:23 PM IST

Sources said the company had received approvals from ethics committees. (Photo: AP)

ITC starts clinical trials of nasal spray for COVID-19 prevention

Developed by scientists at ITC Life Sciences and Technology Centre, the company plans to market it under the Savlon...

25 Nov 2021 1:10 PM IST