By Amanda Breen  A Walgreens in San Francisco’s Noe Valley neighborhood was shut down on November 8 following a “severe rat infestation,” a report from the San Francisco Department of Public Health, first noted by SFGate, revealed. Inspectors on site cited “imminent health hazards that could not be immediately corrected,” which included rat-contaminated food on the sales floor and in an upstairs storage area, where they “observed containers of noodles, flour, and other food products gnawed and with vermin droppings on and around them.” A dead rat was also stuck in a glue trap. The store will remain closed until it passes inspection; the department is mandating that the store hire a licensed pest-control operator, clean and sanitize affected areas, seal all holes and gaps and install traps. Despite the city’s recent No. 5 ranking on Orkin’s “Top 50 Rattiest Cities List,” the Noe Valley location is the only Walgreens closure …