Barely two weeks after production restarted at a Michigan plant that supplies baby formula, flooding in the area has shut down the work as supply continues to dry up nationwide. Severe storms in southwestern Michigan Monday wreaked havoc in the area, including Sturgis, where the city’s stormwater system was overwhelmed, Abbott said in a statement Wednesday night. As a result, the factory will have to shut down while officials can “assess damage caused by the storm and clean and re-sanitize the plant.” Production and distribution of the EleCare specialty formula could be delayed by weeks, the c…