Covid has killed more than 140,000 people in the UK since the start of the pandemic.
The government has ordered three national lockdowns over the past 12 months, as health officials try to reduce the number of new, daily infections.
Anyone that develops the key signs of coronavirus should get tested straight away.
But some people that have been infected with Covid have also reported developing unusual back pain.
Covid new strain symptoms: Is back pain a sign of coronavirus? (Image: GETTY Images)
Around 15 percent of all Covid patients have reported developing some kind of aches or pains - including back pain, World Health Organization scientists have revealed.
However, they believe that the combination is unique, therefore not making it the same strain.
The discovery was made by Helsinki-based Vita Laboratories.
In a statement scientists who discovered the strain said: “Vita Laboratoriot Oy and the Institute of Biotechnology at the University of Helsinki have detected a previously unknown variant of the coronavirus in a sample from southern Finland.
“Mutations in this variant make it difficult to detect in at least one of the WHO-recommended PCR tests.
“This discovery could have a significant impact on determining the spread of the disease.”
Covid new strain: How deadly is the Finnish coronavirus variant? (Image: GETTY)
COVID new strain symptoms may include similar signs to the original coronavirus, but they can be difficult to spot. Scientists have now urged the UK Government to add four more mild signs of infection to the official NHS list of symptoms, in order for the public to be eligible for Covid tests.
Express Health. Symptoms such as confusion or dizziness should not be rejected out of hand as COVID-19 symptoms. The danger of neurological symptoms such as these is that they are frequently mistaken for signs of dementia or other common conditions, particularly in people over the age of 60. If you notice that you or anyone close to you is suffering from the likes of recurring headaches, loss of memory or dizzy spells, it is advisable to seek medical attention.
Covid new strain symptoms: More than 115,000 people have died from Covid in the UK (Image: EXPRESS)
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But just because you develop memory loss or dizziness, it doesn t necessarily mean that you have coronavirus.