FILE - A nasal swab to two-month-old to test for the flu. (Alex Kormann/Star Tribune via Getty Images)RELATED: North Texas 4-month-old in ICU battling COVID-19 and RSV simultaneously SARS-CoV-2, or the virus that causes COVID-19 disease, is a respiratory virus associated with a range of symptoms, and it takes a couple of weeks for an infected individual to fully recover, according to the U.S.
Centers for Disease Control and Prevention. Symptoms associated with COVID-19 include: RELATED: CDC issues health advisory of increased RSV across southern USAccording to the CDC, most children likely had an RSV infection by the age of 2.