Abbott's facility has now closed and reopened twice this year. The baby formula plant had previously closed in February because of bacterial contamination.
Abbott's Sturgis, Mich., plant was open for less than two weeks before it had to close again after flooding from severe weather. The company said it hopes to resume production in a few weeks.
New research suggests the Abbott ID NOW test, which produces results in less than 15 minutes, is the most likely among common tests to reassure people they are not infected when they really are.