Respiratory Syncytial Virus
Respiratory syncytial
virus, or RSV, causes respiratory tract and lung infections in infants and
young children.
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Infected fluids
such as saliva and mucus are most/
contagious during
the first two to four days after your child is
sick.
RSV infection
can last between two and eight days, but
symptoms
can last up to three weeks.
Almost
all children are infected with RSV at least once before the age of two in the winter and
early spring.