Pharma BD Deal Intelligence

MedImmune Inc. / Aviron

2001 · Acquisition/Merger · $1.5B · Complete

WRONG BY 47 POINTS

FluMist was pitched as a $1B+ blockbuster nasal-flu vaccine; it took nearly two decades and CDC reversed course on its efficacy in children along the way — the deal never came close to justifying its $1.5-1.6B price tag.

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The coverage arc

Dec 03, 2001 Aviron Form 425 Bullish

Form 425 details the stock-for-stock exchange offer of 1.075 MedImmune shares per Aviron share, presenting the FluMist-driven combination favorably to Aviron…

Dec 04, 2001 TheStreet Bullish

By acquiring Aviron, MedImmune gains rights to FluMist, an inhaled flu vaccine expected to gain regulatory approval in the second half of next year. FluMist…

Jan 01, 2024 Wikipedia (FluMist) Neutral

MedImmune purchased Aviron in 2002, one year before FDA approval, and commercialized the product under the FluMist brand. The vaccine uses a cold-adapted…

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MedImmune-Aviron stock-for-stock deal; 1.075 MedImmune shares per Aviron share at $47.41/share. Brought in FluMist intranasal flu vaccine. Closed 2002-01-10.

Did it work? Outcome assessment

FluMist was pitched as a $1B+ blockbuster nasal-flu vaccine; it took nearly two decades and CDC reversed course on its efficacy in children along the way — the deal never came close to justifying its $1.5-1.6B price tag.

Strategic verdict
Failed to Achieve

Key facts

Related deals — scored

DealYearValueOutcome
MedImmune Inc. / Aviron (this deal)2001$1.5B36
MedImmune Inc. / Aviron2002$1.5B28
Abbott Laboratories / Knoll Pharmaceutical Company (BASF Pharma)2001$6.9B100
Vertex Pharmaceuticals Incorporated / Aurora Biosciences Corporation2001$592M95
Amgen Inc. / Immunex Corporation2001$16.0B91
Swedish Orphan Biovitrum AB / Biovitrum2001$493M84
Barr Laboratories Inc. / Duramed Pharmaceuticals Inc.2001$589M82

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