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Doctor explains how to tell the difference between Covid-19 and a cold
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BARTLETT, ILLINOIS - MAY 01: Seven-year-old Hamza Haqqani, a 2nd grade student at Al-Huda Academy, uses a computer to participate in an E-learning class with his teacher and classmates while at his home on May 01, 2020 in Bartlett, Illinois. Al-Huda Academy, an Islam based private school that teaches pre-school through the 6th grade students, has had to adopt an E-learning program to finish the school year after all schools in the state were forced to cancel classes in an attempt to curtail the spread of the COVID-19 pandemic. (Photo by Scott Olson/Getty Images)
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CNN  — 

Do you have a sore throat, a runny nose and muscle aches? It could be a common cold, a case of the flu – or Covid-19.

The illnesses all share similar symptoms, sometimes making it hard to distinguish which is putting you under the weather.

Covid-19 cases are continuing to spread as the United States moves into the time of year where allergies are on the rise. As much of the country opens back up and people gather in close proximity, it can be important to know if you are feeling unwell because of seasonal sniffles or Covid-19 – which is why experts have urged vaccinations to reduce risk and protect against infection.