Why is Pfizer advertising a vaccine that gets plenty of free promotion?

Why is Pfizer advertising a vaccine that gets plenty of free promotion?·Quartz
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Pfizer is about to start advertising a new product in the US: the Covid-19 vaccine. After all, it’s hard to think of a product that’s received more promotion than the Covid-19 vaccine. The US is, with New Zealand, one of only two countries that allow direct-to-consumer advertisement of prescription drugs.

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