Current biological weapons activity

Biological weapons are organisms or toxins used to cause death or harm through their poisonous properties.

Source: OWID based on ACA (2022), NTI (2022), and CNS (2008).

Note: Information as of September 15, 2022. 'Allegedly' refers to situations where a country was charged by another country of pursuing biological weapons, but the claims have not been confirmed by thecountry itself or impartial observers.