Johnson & Johnson late last year quietly shut down the only plant making usable batches of its Covid-19 vaccine, the New York Times reported, citing people familiar with the decision.

The halt is temporary, with the Leiden plant expected to start making the vaccine again after a few months, the NYT report said, according to Reuters.

The paper added it was not clear whether the pause has had an impact on vaccine supplies yet, thanks to stockpiles.

Read the full Reuters story here.