RIO DE JANEIRO, BRAZIL - Covid-19 symptoms can vary significantly depending on the variant of the Sars-CoV2 virus responsible for the infection, alerts a study from Kings College London, released this month.
According to the study, headache, sore throat and nasal discharge are the symptoms most commonly associated with the Delta variant (originally detected in India), which is now prevalent in the UK. These symptoms were not common in the first wave of the disease, when the Alpha variant (from the UK itself) was predominant.
In Brazil, although there is no similar study, frontline doctors also report a change . . .