The symptoms to look out for from two new Covid strains this winter

Experts have named the symptoms to watch out for this winter as two new Covid strains are expected to circulate. People are being urged to 'remain vigilant' in the months ahead.

It comes as two new variants, known as HV.1 and JN.1, have caught the attention of medics. HV.1, which is a spin-off of Omicron, is now the dominant strain of Covid in the United States.

It is believed to be more 'more transmissible' and more immune-evasive, the Mirror reports. Meanwhile, JN.1 has recently been found in the UK.

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It is a descendant of Pirola and has also been identified in the US, Iceland, Portugal and Spain. Officials from the Centers for Disease Control and Prevention (CDC), in the US, are still ‘learning’ about JN.1 and how it carries mutations that might help it avoid detection by the immune system.

That's according to Dr Chris Papadopoulos, Principal Lecturer in Public Health at the University of Bedfordshire. He says people should watch out for symptoms of both strains, telling Brits they may have the HV.1 strain if they experience fever, coughing, tiredness, nasal congestion or a runny nose.

Whilst JN.1 also causes these symptoms, this strain can cause diarrhoea and headaches too, experts say. Dr Papadopoulos added: “There’s no evidence yet of new or unique symptoms linked to these variants. It’s essential for everyone, especially those at higher risk, to be observant of the symptoms we are aware of.”

Official advice from the NHS website states that if you have a high temperature or do not feel well enough to go to work,