Skip to main content

The Chiron Case: Good Manufacturing Practice Gone Bad

When British regulators suspended the license of Chiron's manufacturing plant in Liverpool, England, in October 2004, the move caught the US Food and Drug Administration by surprise and triggered an international vaccine crisis.

Written byDana Wilkie
| 6 min read

Register for free to listen to this article
Listen with Speechify
0:00
6:00

When British regulators suspended the license of Chiron's manufacturing plant in Liverpool, England, in October 2004, the move caught the US Food and Drug Administration by surprise and triggered an international vaccine crisis. The FDA had inspected the plant in the past, and Chiron was slated to provide nearly half of the US vaccine supply for 2004–2005: 48 million doses of Fluvirin. Instead, the United States scrambled to find enough vaccine to protect against influenza, which kills 36,000 Americans each year. The Emeryville, Calif.-based company's stock plunged, and it reported a $22.9 million net loss in the fourth quarter of 2004.

How could things go so wrong? When they closed the plant, the UK's Medicines and Healthcare Products Regulatory Agency (MHRA) cited bacterial contamination in some lots of vaccine, and a failure to follow good manufacturing practice. GMP is a set of regulations that are meant to ensure the safety, ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member?
Add The Scientist as a preferred source on Google

Add The Scientist as a preferred Google source to see more of our trusted coverage.

Meet the Author

Published In

Related articles background image
The Scientist Digest cover September 2026
September 2026

Multiplex Microscopy Becomes Easier with Encoded Antibodies

A new system that enables researchers to uniquely tag monoclonal antibodies for use in microscopy could help simplify complex imaging studies.

View this Issue
Essential Genes Are Dominantly Activated by Single Transcription Factors

Essential Genes Are Dominantly Activated by Single Transcription Factors

EpiCypher Logo
Rethinking ALS Biomarkers: From Discovery to Clinical Impact

Rethinking ALS Biomarkers: From Discovery to Clinical Impact

Alamar Biosciences logo
Engineering CAR-Neutrophils In Vivo to Target Glioblastoma

Engineering CAR-Neutrophils In Vivo to Target Glioblastoma

Miltenyi
Best Practices for qPCR Assay Design and Optimization

Best Practices for qPCR Assay Design and Optimization

Bio-Rad

Products

Closeup image of a multi channel pipette dispensing pink liquid into a 96-well plate.

The ASSIST PLUS pipetting robot for affordable workflow automation

Integra Logo
Single cells in suspension

Rapidly isolate primary cells and make uniform single-cell suspensions with Corning® Cell Strainers

Corning logo
Abstract image representing cell membranes linked together.

CellBrite® Steady Membrane Stain: Cell surface staining built for real-time imaging

Biotium
sino biological logo

Monod Bio Licenses AI-designed Protein Technologies to SignalChem Biotech for Custom Discovery Assays