Doctors say that the main difference with this variant is the severity of the sore throat. While past variants also caused throat pain, this one seems to cause more intense discomfort. The sore throat comes from irritation caused by infection in the throat’s cells. Read more: https://health.economictimes.indiatimes.com/news/industry/emerging-covid-variant-nimbus-key-symptoms-to-stay-alert-for/121942162