omicron

A person presenting with symptoms gets tested for the coronavirus disease (Covid-19) at a drive up testing center in Columbus, Ohio, US, 2 December, 2021. PHOTO: REUTERS/Gaelen Morse
Coronavirus chronicle

Covid's new Omicron sub-lineages can dodge immunity from past infection, study says

Paxlovid, a Pfizer's coronavirus disease (Covid-19) pill, is seen manufactured in Ascoli, Italy, in this undated handout photo obtained by Reuters on November 16, 2021. Photo :Reuters
Analysis

Demand for Pfizer's Covid pills lags around the world

(Reuters file image)
Coronavirus chronicle

Omicron-specific Sinopharm, Sinovac Covid vaccine candidates cleared for clinical trial

FILE PHOTO: Police and security members in protective suits stand outside cordoned off food stores following the coronavirus disease (COVID-19) outbreak in Shanghai, China 29 March, 2022. REUTERS/Aly Song/File Photo
China

China's health system faces raft of challenges as Omicron hits

A healthcare worker collects a coronavirus disease (Covid-19) test swab sample from a man. Photo :Reuters
Coronavirus chronicle

XE variant of Covid-19 in India: What are the symptoms of new mutation

A man gets a Covid-19 test in Delhi. Photo: Collected
Coronavirus chronicle

India reports first case of Covid variant XE in Mumbai

In this March 25, 2020, file photo, patients wear personal protective equipment while maintaining social distancing as they wait in line for a Covid-19 test at Elmhurst Hospital Center, in New York. Photo: AP
Coronavirus chronicle

A third of US Covid now caused by Omicron BA.2 as overall cases fall

Residents line up at a nucleic acid testing site during a mass testing for the coronavirus disease (COVID-19), at a residential compound in Dalian, Liaoning province, China March 16, 2022. China Daily via REUTERS
Coronavirus chronicle

Nearly 30m under lockdown in China as Covid surges

New Zealand Prime Minister Jacinda Ardern participates in a televised debate with National leader Judith Collins at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS/
World+Biz

New Zealand's Ardern signals mandates will ease after Omicron peaks

Photo :Collected
Coronavirus chronicle

Pfizer and BioNTech Omicron-targeted vaccine delayed - BioNTech CEO

(Reuters file image)
USA

US officials prepare for pandemic's next phase as Omicron wanes

Walmart pharmacist holds a vial of the Moderna coronavirus disease (COVID-19) vaccine inside a Walmart department store in West Haven, Connecticut, US, February 17, 2021. Photo :Reuters
Coronavirus chronicle

Moderna eyes Covid booster by August, not clear yet if Omicron-specific needed

Test tube labelled "Covid-19 Omicron variant test positive" is seen in this illustration picture taken January 15, 2022. Photo :Reuters
Coronavirus chronicle

Prior Covid offers less protection vs Omicron; mRNA booster shot efficacy declines within months