The sickness starts with symptoms including a fever and chills and can quickly become life-threatening

Some 22 British passengers and crew on board the MV Hondius ship are expected to reach Tenerife

The British passengers will have to self-isolate for 45 days

The MV Hondius passenger is now in a critical condition in a Paris hospital

Labs of the American who tested positive found inconclusive

The sickness starts with symptoms including a fever and chills and can quickly become life-threatening

Here’s what you need to know, from why the cruise ship outbreak won’t spark the next pandemic to how hantavirus spreads.

The UK Health Security Agency (UKHSA) said people in British overseas territories would be brought to the UK in case they need care.