NHS warns of surge in contagious vomiting bug causing severe projectile vomiting and hospitalizations.

The NHS has issued a warning about a second surge in a highly contagious vomiting bug, highlighting a key symptom—severe projectile vomiting—as a major indicator of the illness. Health officials urge the public to take precautions, especially in schools and care homes, to prevent further spread. The outbreak has led to increased hospital admissions and disruptions to services.