Covid infection rates have started to rise again across Wales over the last week. All of the country's 22 local authorities reported an increase in cases in the seven days up to March 11, according to latest figures from Public Health Wales.
It's a similar picture across the UK, with England, Scotland and Northern Ireland all experiencing spikes as restrictions are eased by their respective governments. Aside from the greater freedoms many of us now enjoy, as well as the waning of vaccine protection, scientists claim part of the recent surge in cases has been attributed to new variants, or sub-variants, of coronavirus which have been identified.
As a result, it has brought confusion as to whether symptoms vary between strains or have different levels of contagiousness and severity. So, to help, here's our rundown of what to look out for in each of the newest variants. And to get the latest Covid headlines straight to your inbox every day, sign up for our dedicated Covid newsletter here.
