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. But some doctors warn the marketing may be overtaking medical wisdom, since it’s unclear how long the immunity imparted by the vaccine lasts, particularly in older people.
Yes, It Is Possible To Get Your Flu Shot Too Soon
