The Latest Breaking News from Omicron

Fainting and fatigue may signal onset of variant, experts say

The prevalence of BF.7 has doubled in the United States over the past two weeks, rising from 0.8% to 1.7%

Pfizer Inc. and its German vaccine partner said their booster tailored to the latest omicron variants raised more antibodies against the dominant strains of COVID-19 when compared with the original shot designed to fight the form of the virus.

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 immune response and was well-tolerated in testing on humans. With the results, which the companies described as consistent with preclinical data, the partners are following up…

Uptake of this version of the booster will likely remain low for kids, unless there's a wintertime surge of new cases.

As fall temperatures set in, cold and flu season gets into full swing and holiday travel picks up, people will undoubtedly have questions about COVID-19 testing. Is this the year people can finally return to large gatherings for traditional celebrations? What role does testing play when deciding whether to go…

A surge in cases is indicating a new wave has started in the UK

Airline blames Omicron, Ukraine and ‘industry-wide issues’ for flight cancellations

Fainting and fatigue may signal onset of variant, experts say

COVID-19 vaccine makers Pfizer Inc. and Moderna Inc. received U.S. regulatory clearances for their omicron-targeted boosters for children as young as 5.

Tweaked boosters rolled out for Americans 12 and older last month, modified to target today's most common and contagious variant. The latest move may expand protection before an expected winter wave.