Data from England’s National Health Service (NHS) shows that the flu jab has been administered to 4.3 million people, a 28% rise from 3.36 million who received the vaccine at the same point last year.

The flu shot works by introducing your body to antigens, which helps your immune system produce antibodies that allow your body to fight infection.

Walmart Inc, Walgreens Boots Alliance Inc, CVS Health Corp and Rite Aid Corp have told Reuters demand for flu shots at their U.S. pharmacies is up sharply - in some cases double from last year - as people try to protect themselves from influenza in the midst of a worsening COVID-19 pandemic.

Walz said Minnesota health officials continue to recommend COVID-19 vaccine boosters, and the state will also continue to make the vaccines readily available.

Many big-name pharmacies that offer flu shots, including Rite-Aid and CVS, are slated to close. Here's what Delawareans need to know.