Rapid Alert
| Falsified INFLUENZA VACCINE VAXIGRIP TETRA (BATCH # Y4B34) |
| DRAP Alert No | No I/S/10-26-47 |
| Action Date | 27th October, 2026 |
| Target Audience | Regulatory Field Force of DRAP and Provincial Drug Control departments. Healthcare Professionals Consumers |
| Problem Statement | M/s Hoechst Pakistan Limited, Plot No. 23, Sector 22, Korangi Industrial Area, Karachi has informed that a Falsified drug product i.e. Vaxigrip Tetra, Quadrivalent Influenza Vaccine (Batch No. Y4B34) has been found to be available in the market. |
| Sr. No. | Name of Product | Batch number | Name of Manufacturer | Remarks |
| 1 | Vaxigrip Tetra Vaccine (Suspension for Injection in Pre-filled Syringe) | Y4B34 | Purported to be manufactured by: M/s Sanofi Winthrop Industrie, France | The suspected batch i.e. Y4B34 has never been imported or distributed in Pakistan. |
| Risk Statement | The use of above-mentioned Falsified Vaccine i.e. Vaxigrip Tetra (Batch # Y4B34) may pose serious safety and quality concerns for Public Health |
| Action Initiated | The Regulatory Field Force of DRAP and Provincial Drug Control Departments have been asked to conduct surveillance activities throughout the supply chain to confiscate the falsified product. |
| Advice for Healthcare Professionals | DRAP requests healthcare professionals to have increased vigilance within the supply chains of institutions/pharmacies/healthcare facilities likely to be affected by above mentioned product. Any adverse events or quality problems experienced with the use of these products should be reported to National or Provincial pharmacovigilance centers using Adverse Event Reporting Form or online through this link. Further information on reporting problems to DRAP is available on this link. |
| Advice for Consumers | Consumers should not use the above-mentioned product and should contact their physician or healthcare provider(s) if they have experienced any problem related to taking or using the above mentioned products and should report the incident to the Drug Regulatory Authority of Pakistan / National Pharmacovigilance Centre. All therapeutic goods must be obtained from licensed pharmacies and other authorized/licensed retail outlets. The authenticity and condition of products should be carefully checked. Seek advice from your pharmacists or other healthcare professionals in case of any doubt. |