Since the beginning of the pandemic, COVID has been mutating with newer variants and sub-variants. These mutations, along with people getting vaccinations, has led to a constant shift in the common COVID symptoms people experience when infected.With Omicron cases on a rise worldwide, some traditional symptoms like headaches and loss of smell, continue to exist, however many of them were more common in the early stages of the pandemic.Dry cough has been considered one of the most common COVID symptoms, and now a different type of cough could also signal that you could have been infected with COVID.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/coronavirus-symptoms-phlegm-in-cough-is-one-of-the-top-covid-signs-amid-rising-cases/changing-covid-symptoms/photostory/96642176.cms