12 countries.
Watching 5 States here in US.
https://time.com/article/2026/05/07/hantavirus-outbreak-andes-virus-not-covid/#:~:text=Over%20the%20course%20of%20the,the%20stops%20in%20Saint%20Helena.
https://www.cbsnews.com/news/hantavirus-cruise-ship-mv-hondius-passengers-monitored-us-worldwide/