Over the last three years COVID-19 has continued to mutate, creating different strains of the virus. Some are stronger than others and become the more prevalent variant for a time. Now it is “likely” two specific strains will be responsible for the most infections in coming weeks.
The health body says both CH.1.1 and XBB.1.5 will “most likely” replace the BQ.1 variant as the most dominant.
In an online update it says: “The analysis shows that coronavirus (COVID-19) cases in the UK are primarily made up of BQ.1 and its sublineages, consistent with the UKHSA risk assessment published in October.
“Two variants, CH.1.1 and XBB.1.5, appear to have a growth advantage in the UK.
“Both are variants in the Omicron family.
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“XBB.1.5 remains at very low prevalence in the UK, so estimates of growth are highly uncertain.
“The risk assessment conducted by UKHSA together with academic partners found that CH.1.1 and XBB.1.5 are currently the variants most likely to take over from BQ.1 as the next dominant variant in the UK, unless further novel variants arise.”
Currently, the CH.1.1 variant is not listed by the CDC as a strain found in the US.
But the BQ.1 is the third most common strain in the US, accounting for 15 percent of cases.
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As of December, ZOE listed the most common symptoms of Covid overall as:
- A sore throat
- A runny nose
- A blocked nose
- Sneezing
- A cough without phlegm
- A headache
- A cough with phlegm
- A hoarse voice
- Muscle aches and pains
- An altered sense of smell.
Importance of vaccination
Doctor Meera Chand, director of clinical and emerging infections at the UKHSA, said: “Through our genomic surveillance we continue to see evolution of variants in the Omicron family. UKHSA is constantly monitoring the situation and working to understand the implications for public health.
“Vaccination remains our best defence against future COVID-19 waves, so it is still as important as ever that people come take up all the doses for which they are eligible as soon as possible.”
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