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.
Bring a large pot of water to a boil while you carefully stem the collard greens, trying to keep the leaves intact. Fill a bowl with ice water. When the water comes to a boil, salt generously and add the collard leaves, in batches. Blanch for 2 minutes and transfer to the ice water.