Annual reports

These reports provide a comprehensive yearly summary of the samples analysed by WEDINOS/Philtre, highlighting key trends, statistical data, and public health implications. These reports offer a broad overview of substance use and market trends and informs policy and harm reduction strategies.

Latest annual reports

• WEDINOS Philtre annual report April 2023 – March 2024 (PDF – 1 MB)

• WEDINOS annual report 2022/23 (PDF – 2 MB)

• WEDINOS annual report 2021/22 (PDF – 4 MB)

• WEDINOS annual report 2020/21 (PDF – 1 MB)

• Adroddiad blynyddol WEDINOS 2020/21 (PDF – 1 MB)

• WEDINOS annual report 2019/20 (PDF – 13 MB)

• WEDINOS Philtre – annual report April 2018 – March 2019 (PDF – 1 MB)

• WEDINOS annual report 2018/19 (PDF – 1 MB)

• WEDINOS Philtre annual report April 2017 – March 2018 (PDF – 3 MB)

• WEDINOS Philtre – adroddiad blynyddol Ebrill 2017 – Mawrth 2018 (PDF – 3 MB)

• WEDINOS Philtre – annual report October 2016 – September 2017 (PDF – 2 MB)

• WEDINOS Philtre – adroddiad blynyddol Hydref 2016 – Medi 2017 (PDF – 2 MB)

• WEDINOS Philtre annual report October 2015 – September 2016 (PDF – 3 MB)

• WEDINOS Philtre annual report October 2014 – September 2015 (PDF – 4 MB)

• WEDINOS Philtre annual report October 2013 – September 2014 (PDF – 2 MB)

• WEDINOS MDMA: ecstasy and apathy (PDF – 12 MB)

• WEDINOS winter watchlist 2015 (PDF – 2 MB)

• WEDINOS Nitazenes within the illicit benzodiazepine market (PDF – 205 KB)

• WEDINOS Philtre annual report 2022 to 2023 (PDF – 2 MB)