Nine symptoms of Omicron affecting fully vaccinated people – and signs you might have it

The UK is currently involved in a fifth wave of Covid-19 infections, experts have warned, adding that summer festivals that draw large crowds could turn into large-scale events if precautions are not taken.

The country recorded a 43% increase coronavirus cases in early June apparently caused by people gathering to celebrate the Queen’s Platinum Jubilee over a four-day weekend.

A month later, the figures remain high, the increase being due to the BA.4 and BA.5 sub-variants of Omicronthe strain which quickly spread across the UK in December 2021 and January 2022 before gradually dying out.

The number of cases in the UK rose by 7% to 3.8 million in the week to July 14, from 3.3 million the previous week, according to data from the Office for National Statistics.

“We’re on a wave right now,” said Professor Tim Spector of the ZOE Covid app. “[We’re] heading towards a quarter of a million cases a day is already a wave.

“We’ve relaxed everything, most people don’t think there’s a Covid problem at the moment, most people don’t wear masks or even worry about cold symptoms.”

Here we’ll take a look at some of the most common symptoms associated with Omicron and its offspring for fully vaccinated people – and two warning signs that you might have it.

Most common symptoms in fully vaccinated people

Norwegian researchers conducted a study by interviewing 111 out of 117 guests at a party on November 26, 2021, where there was an outbreak of Omicron.

Of the group surveyed, 66 had definite cases of Covid and 15 had possible cases of the virus.

Of the 111 participants, 89% received two doses of an mRNA vaccine and none received a booster dose.

According to findings published in the Journal of Infectious Diseases and Epidemiology Eurovigilancethere were eight key symptoms experienced by the group of fully vaccinated partygoers.

These were: persistent cough, runny nose, fatigue, sore throat, headache, muscle aches, fever and sneezing.

An associate practitioner administers a coronavirus vaccine at Elland Road in Leeds

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An associate doctor administers a coronavirus vaccine on Elland Road in Leeds

(Danny Lawson/PA)

The study found that coughing, runny nose and fatigue were among the most common symptoms among those vaccinated, while sneezing and fever were less common.

Public health experts have also added nausea to this list of symptoms in vaccinated people who have contracted the Omicron variant.

Although the vaccine protects against the most serious risks of the virus, it is still possible to catch Covid even if you receive injections and a booster.

The mild nature of the symptoms makes it difficult for people to distinguish the virus from a cold.

But, according to Prof Spector, around 50% of ”new colds’ are actually Covid’.

The first two warning signs you may have Omicron

Experts also suggest there are two distinct symptoms that could be a sign a positive test is coming: fatigue and dizziness or fainting.

More than just feeling tired, fatigue can translate into body aches, causing muscle aches or weakness, headaches and even blurred vision and loss of appetite.

Dr. Angelique Coetzee, private physician and president of the Medical Association of South Africa, said Hello Great Britain that fatigue was one of the main symptoms of Omicron when the variant first appeared in South Africa.

Commuters with face coverings leave a train

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Passengers wearing face coverings exit a train


In fact, 40% of women reported battling fatigue due to Covid compared to a third of men, according to a WebMD survey that asked users how often they felt fatigued from December 23, 2021 to January 4, 2022.

Dizziness or fainting is the second sign that you might have Omicron.

A German report recently suggested there could be a link between fainting and Omicron after medics in Berlin found Covid caused recurrent dizziness in a 35-year-old patient admitted to hospital.

german newspaper Arztezeitung said doctors could see a “clear link” between the infection and the fainting.

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