The drugmaker Merck announced it has opened a $1 billion vaccine manufacturing facility in north Durham, a 225,000-square-foot addition to the company’s existing campus off Old Oxford Road.

Merck has opened a $1 billion, 225,000-square-foot facility at its Durham campus dedicated to vaccine manufacturing, the drug giant announced Tuesday.

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Merck said the facility, which had a ribbon cutting Tuesday, is a 225,000-square-foot state-of-the-art plant, officials said.

According to the company, the new, 225,000-square-foot expansion is a "crucial component" of a more than $12 billion infusion toward U.S. capital investments it's made since 2018.

Merck unveils a $1 billion vaccine manufacturing facility in Durham, North Carolina, expanding its U.S. production and research investments.

Merck said on Tuesday it has opened a $1-billion facility at its North Carolina site, as the drugmaker seeks to boost its U.S. manufacturing in the face of President Donald Trump's tariff threats. Drugmakers have been exploring the possibility of government-granted exemptions for domestically manufactured medicines since Trump has threatened to impose 25% tariff on pharmaceutical imports.