Journal article
The Fall of the Syrian Regime: The End of Chemical Warfare in Syria
Global biosecurity, Vol.8(1)
24/03/2026
Appears in Recent Faculty of Health Publications
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Abstract
Background: The use of chemical weapons constitutes a serious violation of international humanitarian law and remains a persistent threat to public health and global biosecurity. Syria represents the most extensively documented case of state-level chemical-weapon use in the contemporary era, occurring despite near-universal prohibition under the Chemical Weapons Convention (CWC).
Methods: We conducted a retrospective descriptive analysis of documented chemical-weapon incidents in Syria between 2012 and 2020 using open-source investigative data from the Global Public Policy (GPPI), supplemented by reports from the Organization for the Prohibition of Chemical Weapons (OPCW) and United Nations mechanisms. Incident-level data were analysed to characterise temporal and geographic patterns, chemical agents, delivery mechanisms, attribution, and health outcomes.
Results: A total of 349 chemical-weapon incidents were documented, of which 334 were attributed to Syrian government forces. Chlorine accounted for the majority of incidents (67.4%), while sarin-related events comprised fewer than 5% but were responsible for over 80% of recorded fatalities. At least 1,900 deaths and approximately 18,600 injuries were reported. Incidents clustered spatially in Rif Dimashq and Idlib governorates and temporally in 2015, and persisted following Syria’s accession to the CWC and the declared destruction of its chemical stockpile.
Conclusion: The Syrian case highlights limitations in chemical weapons verification and enforcement in active conflict settings and demonstrates the substantial public health impact of chemical exposures, even when infrequent. The collapse of the Assad regime in December 2024 has yet to eliminate chemicalweapons-related biosecurity risks, underscoring the need for sustained post-conflict oversight, integration of open-source intelligence, and strengthened international monitoring to prevent diversion and reemergence.
Details
- Title
- The Fall of the Syrian Regime: The End of Chemical Warfare in Syria
- Creators
- Damian Alexander Honeyman - University of New South Wales (Australia, Sydney)David James Heslop - University of New South Wales (Australia, Sydney)Chandini Raina MacIntyre - University of New South Wales (Australia, Sydney)
- Publication Details
- Global biosecurity, Vol.8(1)
- Publisher
- University of New South Wales
- Identifiers
- 991013376550502368
- Copyright
- © 2026 The Author(s).
- Academic Unit
- Faculty of Health
- Language
- English
- Resource Type
- Journal article