NEW ORLEANS (CBSDFW.COM/AP) — More than two dozen people working on oil platforms in the Gulf of Mexico have tested positive for the coronavirus, the Coast Guard said.

While an offshore rig might seem like an unlikely place for the virus to show up, workers share close quarters and frequently touch surfaces including handrails that make it difficult to stop the spread, nola.com reported Wednesday.

As of April 8, 26 offshore workers in the Gulf were confirmed to have the coronavirus, according to the U.S. Coast Guard. Only seven of the 680 platforms in the Gulf had been affected at that point.

Further details on the patients, such as home state, were not immediately released.

BP is among the companies that has had offshore workers test positive for the coronavirus, said spokesman Jason Ryan. The workers were already onshore when the virus was confirmed, he said, and the platform has since been cleaned and has new crew members on board.

Efforts to limit the spread of the virus on platforms appear to be working, said Erik Milito, president of the National Ocean Industries Association. Just 11 COVID-19 cases were detected in the last two weeks in the roughly 15,000 people who work offshore at any given time, he said Monday.

“We see what we think are great results,” he said. “I think that’s due to the seriousness and the commitment we’ve seen.”

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