The Vaccine Nasal Spray Market was valued at USD 1.5 billion in 2024 and is projected to reach USD 4.5 billion by 2034, registering a CAGR of 11.5%. This significant growth trajectory is underpinned by increasing awareness of vaccination benefits, the convenience of nasal delivery systems, and rising incidences of respiratory diseases. The nasal spray format offers a non-invasive alternative to...