Covid, symptoms of new omicron variants: what is changing

The BA.4 and BA.5 mutations, which have emerged in South Africa, will not only be more contagious than their predecessors, but a change in symptoms will also be observed. The most common ones include a runny nose, fatigue, and also stomach and abdominal pain, in the ear, and dizziness. “They attack the lungs less and attack the upper respiratory tract more,” said virologist Brigliasco.

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