[ORGANIZATION]
Respiratory Syncytial Virus (RSV)
Featured in 3 tracked stories · first seen
Situations
Brazil health response expands amid measles and West Nile
129 clusters · 643 sources · last updated
Latest: Brazil reports 35 measles cases amid regional outbreaks
Following the Pan American Health Organization’s warning of a Southern‑Hemisphere respiratory virus surge, Brazil’s health authorities intensified surveillance and vaccination efforts throughout the 2026 winter. Early me
Global RSV vaccine and antibody rollout expands
30 clusters · 89 sources · last updated
Latest: WHO prequalifies multi-dose RSV vaccine to expand global infant protection
Since mid‑2023, RSV immunisation has expanded globally. In the UK, the UK Health Security Agency reported that a maternal vaccination program—which reached 61.7% of women giving birth between March 2025 and February 2026
Respiratory virus trends in Latin America
19 clusters · 70 sources · last updated
Latest: Argentina expands RSV vaccination as respiratory illnesses surge
By late August, Chile recorded its highest respiratory virus positivity rate in three years, reaching 57.9% during epidemiological week 34 (August 23–29, 2026). The Ministry of Health noted that Rhinovirus accounted for