What is salmonella, how does it spread and are eggs safe to eat?

UKHSA says imported eggs eaten in restaurants are source of outbreak that has infected more than 200 people Contaminated eggs have infected 207 people with salmonella across the UK, killing one and hospitalising 34. Eggs imported into Britain and eaten in cafes and restaurants were the source, the UK Health Security Agency has said. The outbreak has prompted public concern. But what is salmonella,…