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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)

Covid long-haulers may experience abnormal breathing, chronic fatigue:...

The researchers noted that many COVID-19 patients have reported persistent symptoms after they recover

30 Nov 2021 12:59 PM IST

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

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

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

A file photo of COVID-19 patient on oxygen support at a hospital in Ajmer. (Photo:PTI)

COVID symptoms last a year for many patients: study

The research, on the condition known as long Covid, added that one in three patients have shortness of breath a year...

27 Aug 2021 10:49 AM IST

Health workers collect swab samples of people at Indo-Israel Non-Invasive Raid Covid -19 test study camp as part of Operation Open Skies, at Dr Ram Manohar Lohia Hospital in New Delhi. PTI photo

COVID-19 most transmissible 2 days before, 3 days after symptoms...

Infected individuals were more likely to be asymptomatic if they contracted the virus from a primary case

26 Aug 2021 1:57 PM IST