The transaction is expected to close in the first half of 2025, subject to the satisfaction of customary closing conditions.

WuXi Biologics Cayman Inc. will sell a vaccine facility in Ireland to Merck & Co. for about $500 million as the Chinese company seeks to enhance its margins while continuing to navigate geopolitical tensions.

MSD acquires WuXi Vaccines' Dundalk facility with a €500 million investment, creating 1,000 new jobs across Ireland and expanding its vaccine production capabilities.

In Ireland, WuXi Biologics has sold a new vaccines plant to Merck & Co. for €500 million ($521 million). The New Jersey company was a natural buyer of the facility as it was the lone client WuXi Biologics served at the site in Dundalk, executing a 20-year contract to produce vaccines worth $150 million annually.

China's WuXi Biologics has confirmed it will sell its vaccine facility in Ireland to US drugmaker Merck & Co for about €500 million. The WuXi Biologics facility is located in Dundalk, Co Louth, in the IDA Science and Technology Park.

The acquisition from Wuxi Biologics, the embattled CDMO named in the BIOSECURE Act, marks another expansion of Merck’s manufacturing operations in Ireland.

WUXI Biologics Cayman will sell a vaccine facility in Ireland to Merck for about US$500 million as the Chinese company seeks to enhance its margins while continuing to navigate geopolitical tensions.