Vaccines Portfolio
Various Preventable Diseases
Key Facts
About MSD
MSD Ireland is a cornerstone of Merck & Co.'s global network, serving as a premier European hub for R&D and manufacturing across biologics, small molecules, and vaccines. With over 3,600 employees across eight strategic sites and approximately $3.5 billion invested in the last 3.5 years, it is a top-tier contributor to Ireland's life sciences economy. The subsidiary's strategy is deeply integrated with the parent company's focus on scientific excellence, pipeline commercialization, and expanding global access to critical therapies.
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