Detroit — The city expanded COVID-19 vaccine eligibility again on Tuesday to include manufacturing workers who live or work in Detroit, but the city does not plan to offer the single-shot Johnson & Johnson vaccine that was approved this week. Michigan is expected to receive its largest vaccine shipment with nearly 500,000 doses arriving this week, including 82,700 doses of the Johnson & Johnson one-shot vaccine. Duggan said he's not expecting the city to receive Johnson & Johnson vaccines. "The Moderna and Pfizer vaccines are 95% effective if you get two shots. It makes sense to get (Jo...