Covid subvariants cast shadow over European summer
A resurgence of Covid-19 cases in Europe, this time driven by new, fast-spreading Omicron subvariants, is once again threatening to disrupt people's summer plans
‘Perfect storm’: Europe Covid rise due to fewer curbs, subvariant
Covid-19 is again surging in Western Europe due to a "perfect storm" of governments lifting restrictions, waning immunity and the more contagious BA.2 Omicron subvariant, experts say
Omicron: Mild or severe impact on the global economy?
After limping its way back from the Covid pandemic last year, the global economic recovery has been rattled by the Omicron variant's rapid rise
Omicron less severe but still a threat to health systems
Omicron is causing record numbers of cases around the world, and though it causes less severe Covid-19 experts warn this wave still threatens to overwhelm health systems
More contagious, less severe: What we know about Omicron
A month after it was first detected in southern Africa, Omicron is now known to be far more contagious than previous variants of Covid-19 but appears to cause a less severe illness than its predecessors
The technology behind Covid jabs
How do the different vaccines work against Covid-19? The WHO has authorised the use of Novavax's Nuvaxovid, a subunit vaccine that contains a purified piece of the virus to trigger an immune response
Why antibodies aren’t the only defense against Omicron
In the fight against the coronavirus, antibodies are less effective against the heavily mutated Omicron variant but thankfully the immune system can also call upon neutrophils, B and T cells to fight the virus
Europe kicks off Covid vaccine drive for kids
Several European nations have started vaccinating children aged five to 11 against Covid-19 in an effort to contain a raging pandemic and keep schools open, while others are still deciding their approach
Omicron: What we know and what we don’t
Omicron is a variant of Covid-19 first sequenced in South Africa with cases now present in dozens of countries. This is what we know and what questions surround the new version of the virus.
Delta still dominates say experts urging third jab
No one knows how effective vaccines will be in stopping the Omicron variant of Covid-19, but while Delta remains the dominant strain experts are urging people to take advantage of booster jabs where they are available
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