Most importantly, the symptoms of Omicron variant are identical to the mild type of Delta seen in vaccinated patients, according to doctors.

Scientists in the United Kingdom studied the symptoms of thousands of people who were diagnosed with the coronavirus in October, when the delta variant was dominant in London, and in December when the omicron strain took over. 

The preliminary analysis didn’t show that Delta and Omicron had very different early signs.

In both cases, in the first days, the “three classic symptoms” of COVID-19 – fever, cough and loss of smell or taste, were observed by no more than half of those infected.

Experts have identified five main symptoms, which are reported by the majority of patients with the new strain: headache, runny nose, sneezing, sore throat and fatigue. Some people have also reported coughing, loss of appetite, and brain fog. 

“Most of the symptoms of omicron are similar to the mild delta variant we see in vaccinated people,” said Professor Tim Spector, the project leader of the ZOE COVID Study. 

He believes that it is better to get tested at the slightest suspicion of coronavirus. Without this, even an experienced doctor will not be able to distinguish the symptoms of a new strain from a cold. 

At the same time, the US Centers for Disease Control and Prevention has identified a slightly different list of the main symptoms of Omicron: cough, fatigue, nasal congestion and a runny nose.

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