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Explainer: What do we know about COVID variant XBB.1.5?

The Omicron subvariant, XBB.1.5, is causing concern among scientists after its rapid spread in the United States in December. Here is what we know so...

Karachi detects six cases of new Covid-19 variant

KARACHI: The Sindh Health Department on Tuesday confirmed the presence of XBB and XBB-1 sub-variants of the Omicron variant in Karachi, ARY News reported. Karachi...

Over 40% of US COVID cases caused by Omicron subvariant XBB.1.5

Over 40% of COVID-19 cases in the United States are now caused by the highly contagious Omicron XBB.1.5, data from the US Centers for...

UK approves Pfizer’s COVID booster targeting Omicron BA.4/5

UK health regulator on Wednesday approved the country's first two-pronged COVID-19 booster targeting the Omicron BA.4 and BA.5 sub-variants and the original coronavirus strain. The...

Novavax says Omicron shot shows strong immune response as second booster

Vaccine maker Novavax Inc said on Tuesday its COVID-19 shot retooled against the Omicron BA.1 variant showed a strong immune response as the fourth...

Pfizer/BioNTech Omicron vaccine shows strong response

US drugmaker Pfizer and German partner BioNTech SE said on Friday their Omicron-tailored shot targeting the BA.4/5 subvariants produced a strong antibody response in...

Pfizer, BioNTech say updated COVID booster protects against Omicron

Pfizer and its German partner BioNTech said their COVID-19 vaccine booster, adapted for the BA.4 and the BA.5 subvariants of Omicron, generated a strong...

Germany to start Omicron-adapted COVID vaccinations next week – minister

BERLIN: Germany can next week start using COVID-19 vaccines which have been adapted for the Omicron variant and got approval for use in the...

Omicron-adapted COVID vaccine wins first approval in Britain

Britain has become the first country to approve a COVID-19 vaccine that targets both the original and Omicron variant of the virus. The UK medicines...

Omicron better at invading young noses than other COVID variants

The following is a summary of some recent studies on the COVID-19 Omicron variant. They include research that warrants further study to corroborate the...

Moderna booster candidate shows strong response against Omicron subvariants

Moderna said on Wednesday that an updated version of its COVID-19 vaccine designed to target the Omicron variant also generated a strong immune response...

Omicron less likely to cause long COVID, UK study says

The Omicron variant of coronavirus is less likely to cause long COVID than previous variants, according to the first peer-reviewed study of its kind...

Covid 19: CM Sindh orders analysis, report on new Omicron variant BA.2.12

Karachi: Sindh government has ordered the Health and Interior Ministries to analyze the new Covid-19 Omicron's sub-variant BA.2.12 and submit a report as soon...

Covid-19: Pakistan reports first case of Omicron variant BA.2.12

ISLAMABAD: Pakistan on Monday reported the country's first case of Omicron sub-variant BA.2.12.1, said the National Institute of Health (NIH) in a statement. "NIH has...

Omicron as severe as previous COVID variants, large study finds

The Omicron variant of the SARS-CoV2 virus is intrinsically as severe as previous variants, unlike assumptions made in previous studies that it was more...

Omicron ‘stealth’ COVID variant BA.2 now dominant globally

A sub-variant of the highly transmissible Omicron version of coronavirus known as BA.2 is now dominant worldwide, prompting surges in many countries in Europe...

Immune system continues to remember the ‘coronavirus’

A year after infection with the coronavirus, when antibodies in the blood are barely detectable, the immune system continues to "remember" the virus and...

China boosts bed spaces as Omicron outbreak spreads

China has moved to free up hospital beds as officials on Wednesday reported thousands of new cases from an Omicron-led coronavirus outbreak that has...

COVID-19: Omicron infections contagious for at least 6 days

Patients infected with the Omicron variant of SARS-CoV-2 remain contagious for just as long as patients infected with earlier variants, according to a small...

Reinfections with Omicron subvariants are rare: study

Getting infected twice with two different Omicron coronavirus subvariants is possible, but rarely happens, a Danish study has found. In Denmark, a more infectious sublineage...
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