Rsv Symptoms. Many older children and adults have no symptoms or very mild symptoms. Signs and symptoms of respiratory syncytial virus infection most commonly appear about four to six days after exposure to the virus.
The warning signs and the many faces of it. If your baby has rsv, you may notice symptoms like: In adults and older children, rsv.
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Fever (temperature of 100.4°f or higher) cough, which may be “wet” or. Rsv is a respiratory tract infection that affects the lungs and breathing passages. Initial signs of rsv are similar to mild cold symptoms, including congestion, runny nose, fever, cough and sore throat. Being unusually upset or inactive.