Health officials are warning of a seasonal surge in flu and Covid-19 as autumn arrives.
When a sniffle seems to progress further than “just a cold”, it’s hard to know what it might be.
The two viruses share many symptoms, making it difficult to tell them apart – but there are differences in how they appear and the risks they pose.
How do I know if I have the flu?
When a sniffle seems to progress further than ‘just a cold’, it’s hard to know what it might be (Getty/iStock)
Flu is a respiratory infection that strikes hardest in winter and can be far more debilitating than the common cold. While colds typically bring a runny nose, sneezing, watery eyes and mild throat irritation, flu tends to arrive suddenly with fever, aches and exhaustion.
Last winter alone, the flu sent more than 8,000 people to hospital. Over the past two years, at least 18,000 deaths in the UK have been linked to the virus. Children, older adults, people with long-term health problems and those with weakened immune systems face the highest risks.
Vaccination remains the strongest defence. Research shows that last year’s jab prevented thousands of severe cases, cutting hospital admissions by almost a third among over-65s and by more than half among children aged 2 to 17.
This autumn, the flu vaccine is being offered free to those over 65, pregnant women, children aged 2 and 3 through their GP, and schoolchildren from reception to year 11 via nasal spray. Adults under 65 with certain health conditions are also eligible.
How do I know if I have Covid-19?
Covid-19 continues to cause serious illness, particularly among vulnerable groups. The virus is constantly evolving, with new variants spreading easily through coughs, sneezes or even conversation.
Vaccination campaigns each autumn continue to try to prevent hospitalisations and deaths.
Experts say vaccinations are the best way to protect against the harms of Covid-19 (Getty)
The list of symptoms has shifted since 2020. Many people now experience what feels like cold symptoms, such as a runny nose, sore throat or blocked sinuses. But others still report fever or chills, a persistent cough, fatigue, headaches, shortness of breath, or a loss of taste and smell. Stomach issues such as nausea and diarrhoea can also occur.
Doctors say a hoarse throat has become one of the hallmark features of the latest variants.
The new strain, called Stratus, has two variants, XFG and XFG.3.
Despite accounting for a large proportion of new cases, experts are not concerned about the spread, noting it is normal for viruses to mutate and change.
Those aged 65 and over, care home residents, and people with underlying health problems are all entitled to the Covid-19 booster.
Are cases climbing now?
According to the UK Health Security Agency, levels of flu and Covid-19 could be on the rise running into winter, joining other seasonal bugs such as RSV and norovirus.
By 10 September, the UKHSA noted a 7.6 per cent increase in coronavirus cases across England compared to the previous week.
Experts say the risk is highest during the colder months when viruses spread more easily indoors.
Officials are urging everyone eligible to take up their vaccines to reduce the strain on hospitals and protect the most vulnerable. Both flu and Covid-19 can be serious, but prevention and early awareness remain the best tools against them.
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