FDA Fast-Tracks RSV mRNA 'Vaccine'

Reports indicate that cases of respiratory syncytial virus (RSV) are spreading around the world. Find out how the government is responding here.

STORY AT-A-GLANCE

• Respiratory syncytial virus (RSV) — a respiratory virus that causes typically mild cold-like symptoms — is emerging out of season around the world

• Most children have been exposed to RSV by their second birthday and recover without incident. In rare cases, RSV can progress to pneumonia or bronchiolitis (inflammation of the small airways o…