The pitches from pharmacy chains started in August: Come in and get your flu shot.
Convenience is touted. So are incentives. CVS offers a 20-percent-off shopping pass for everyone who gets a shot, while Walgreens donates toward international vaccination efforts.
The start of flu season is still weeks, if not months, away. Yet marketing of the vaccine has become an almost year-round effort that starts when the shots become available in August and is hyped as long as the supply lasts — often into April or May.