All the new ‘flu-like’ symptoms of Delta variant – and how they differ from earlier strains (Image: Getty)

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The Delta variant is producing different, more ‘flu-like’ symptoms to previous strains of coronavirus, including the Kent variant.

The ZOE Covid Symptom Study recently confirmed that symptoms of the now dominant Delta variant include a headache, sore throat, runny nose and fever.

These symptoms differ from those associated with previous variants of Covid-19.

Throughout the pandemic, the main symptoms of Covid have been described as a persistent dry cough, a fever, and loss of taste and smell.

However, the Delta variant seems to be 'acting differently' and is producing different symptoms in infected people.

The variant, first identified in India, is also tending to infect younger people who haven't had the vaccine yet.

The ZOE app, analysed by King's College London, has picked up the rise in more 'flu-like' symptoms
(Image: Getty Images)

The symptoms identified so far are:

  • Headache

  • Sore throat

  • Runny nose

  • Fever

Tim Spector, professor of genetic epidemiology at King’s College London, and a researcher with the ZOE study, said in a YouTube briefing: “The number one symptom is a headache, then followed by a sore throat, runny nose and fever.”

The more "traditional" symptoms are less common, Mr Spector added.

He explained that in younger people, who have only had the vaccine offered to them this week, the Delta variant is often “more like a cold".

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A loss of smell and taste are not as common symptoms anymore according to the study, and neither is a cough – but fevers are still likely.

There is growing concern that, due to the change in symptoms and similarity to a common cold, people may not realise they have Covid.

The CDC in America have updated their symptoms list, however in the UK no such change has been made.

The change in symptoms of the Delta variant has raised some concern because people might not realise they have Covid-19
(Image: Getty Images)

The ZOE study is an app which collects ongoing, live data from four million users globally, which is then analysed by King’s College London.

Analysis of the data has shown how the virus is now “acting differently”

Dr Abdul Ghafur, an infectious disease physician in India, told Bloomberg he is seeing more Covid-19 patients with diarrhoea.

The Delta variant is 60% more transmissible than the previous dominant strain, the Kent variant, and it is responsible for the final unlocking being pushed back until July.

The government has come under criticism for not closing down flights from India early enough to prevent the variant reaching here.

The World Health Organisation said the Delta variant had been detected in more than 80 countries.

Two doses of a vaccine are still effective against the new variant, however.