The Latest Breaking News from Omicron

Omicron sub-variants driving up infections across world, WHO director-general warns

It takes a lot for a COVID-19 variant to become dominant throughout most of the world. It has happened only three previous times (alpha, delta, omicron) and now is occurring with the omicron family subvariant known as BA.5. How did this occur and what are the implications for the pandemic…

A world-leading expert tells The Mirror face masks and testing should return, as he warns the 'troubling' summer surge in cases driven by the immunity-defeating Omicron BA.4 and BA.5 Covid strains is merely the calm before the storm

Omicron sub-variants driving up coronavirus cases in UK and being monitored closely

The BA.5 strain represented 65% of cases from July 3 to 9, according to data from the Centers of Disease Control and Prevention.

New Zealand, Australia and many countries are experiencing a further Omicron wave driven by the latest BA.4/BA.5 subvariants. Our response to this threat is remarkably laissez-faire compared with past approaches, as society has pivoted more to “living with the virus”.

Rumors abound that BA.5, or "stealth omicron," is going undetected on hospital lab tests

Omicron is now the dominant strain of COVID-19 around the world and boosters targeting this variant are getting closer to being released.

COVID cases are surging across Australia. The rise of the BA.4 and BA.5 sub-variants of Omicron, and the rapid increase in COVID hospitalisations, has prompted policymakers to expand fourth dose vaccine eligibility.

Omicron BA.2.75 is being monitored by the ECDC and WHO as cases rise steeply. Virologists have expressed concern over its number of mutations relative to BA.2.

LOS ANGELES — California’s summer is being complicated by a dizzying array of omicron subvariants that have emerged over the last several months.