about 5% to 20% of americans get the flu each year. more than 200,000 people are hospitalized, according to the cdc.
Bring a large pot of salted water to a boil. Add the collard greens in batches and cook until just tender, about 10 minutes. Drain the greens in a colander and rinse under cold water to cool; squeeze to remove any excess water. Heat the oil in a large saucepan over medium heat. Add the garlic and cook, stirring, for 1 minute.
Fill a large pot with 5 quarts of water. Bring the water to a full boil over medium high heat. Set a large bowl near the cooking surface. Fill the bowl halfway with ice and add cold water until the bowl is full. Rinse the collard greens under running water. Trim the stems off the tender leaves.