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A healthcare volunteer inoculates an elderly man with COVID-19 vaccine dose at her home in Mumbai. (Photo: PTI)

Study finds why some COVID cases are more critical than others:

The study, led by Yale University-'s Richard Flavell, has been published in the -'Nature Biotechnology Journal-'

26 Dec 2021 3:36 PM IST

Health workers inside an Isolation Ward for COVID-19 to treat persons infected with the Omicron variant, at Omandhurar Government Medical College Hospital, in Chennai, Monday, Dec. 6, 2021. (PTI Photo)

Omicron less likely to put you in the hospital, studies say

The findings have not yet been reviewed by other experts, the gold standard in scientific research

23 Dec 2021 2:25 PM IST

Novavax says COVID vaccine triggers immune response to Omicron variant

Novavax said it is working on developing an Omicron-specific vaccine and expects to begin manufacturing its doses in...

23 Dec 2021 9:53 AM IST

- This 2020 electron microscope image provided by the National Institute of Allergy and Infectious Diseases - Rocky Mountain Laboratories shows SARS-CoV-2 virus particles which cause COVID-19, isolated from a patient in the U.S., emerging from the surface of cells cultured in a lab. (AP)

Likely order of Covid symptoms depends on coronavirus variant: Study

The study used modelling approach to predict symptom order in a set of 373,883 cases in the US

21 Dec 2021 11:44 AM IST

A health worker shows empty vials of Covishield vaccine at a vaccination centre in Jammu. (Photo: PTI)

New drug could treat patients hospitalised with COVID-19 pneumonia:...

The team tested namilumab in patients hospitalised with COVID-19 pneumonia

17 Dec 2021 1:20 PM IST

A syringe is prepared with the Pfizer COVID-19 vaccine at a vaccination clinic at the Keystone First Wellness Center in Chester. (Photo: AP)

Study finds a longer lasting COVID vaccine

The findings suggested that viral polymerase could potentially be added to vaccines to create a longer-lasting immune...

16 Dec 2021 12:02 PM IST

A used face mask on Westminster Bridge in London. (Photo: AP)

Omicron infects 70 times faster but is less severe, study says

The supercharged speed of omicronâ€™s spread in the human bronchus was found 24 hours following infection

16 Dec 2021 10:15 AM IST

A student walks past Vyommitra, the prototype of the half humanoid made for the first unmanned Gaganyaan mission, at the 2nd day of an international conference on human spaceflights, in Bengaluru. (Photo: PTI)

Targeted launch for crewed space mission in 2022: Govt

Jitendra Singh said the launch of the first uncrewed mission was delayed due to the first and second waves of Covid

15 Dec 2021 3:15 PM IST

This image made available by NASA shows an artists rendering of the Parker Solar Probe approaching the Sun. (Photo: AP)

Spacecraft enters Sun-'s corona for first time in history

The corona is the outermost layer of the Sun-'s atmosphere where strong magnetic fields prevent turbulent solar winds...

15 Dec 2021 10:28 AM IST

This file handout photo provided to AFP on November 16, 2021 courtesy of Pfizer shows the making of its experimental Covid-19 antiviral pills, Paxlovid, inside his laboratory in Freiburg, Germany. (Photo: AFP)

Pfizer confirms COVID pill-'s results, potency versus omicron

The updates come as COVID-19 cases, deaths and hospitalization are all rising again

15 Dec 2021 9:11 AM IST

A woman hold her arm after receiving Covishield COVID-19 vaccine at a vaccination center in Mumbai, India, Monday, Nov. 29, 2021. (AP/Rafiq Maqbool)

Vaccines, previous infection offer -'stronger than basic-' protection...

The researchers looked at 28 serum samples from patients recovering from the original strain of SARS-CoV-2

13 Dec 2021 1:10 PM IST

U.S. health authorities will consider this latest real-world data as they decide if at least some Americans need a booster, and how soon after their last dose. (AP)

Booster increases antibodies, improves protection against Omicron:...

Eminent virologist Dr Shahid Jameel said a booster shot after two doses increases the amount of circulating antibodies

12 Dec 2021 3:40 PM IST