On Wednesday, 3 May, the US Food and Drug Administration approved the world's first vaccine to prevent Respiratory Syncytial Virus (RSV), a respiratory ailment that can turn serious in infants and the elderly.
Key points to note: The vaccine, Arexvy was developed by UK-based pharmaceutical company GlaxoSmithKline, and has been approved for adults over the age of 60 as a single-dose vaccine.
The large study involved 25,000 participants.
The vaccine was found to be,
94 percent effective at lowering the risk of severe illness
83 percent effective at reducing symptomatic infection


