More infoA new strain of Covid is spreading quickly and it comes with a unique symptom to be mindful of. Typically, Covid symptoms mimic those of common respiratory illnesses like the flu, including fever, cough, sneezing or a runny nose. However, the most frequent initial symptom of Stratus is a hoarse or raspy voice, which can precede more traditional Covid symptoms. Medical experts have also documented a range of additional symptoms, such as blocked noses, sore throats, digestive problems and fatigue. Speaking to SFGATE, he clarified: "There's a little bit more sore throats with some people.