Pfizer's COVID-19 vaccine becomes highest-selling pharmaceutical in history

Pfizer on Feb. 8 reported $36.8 billion in 2021 sales for its COVID-19 vaccine, making it the highest-selling pharmaceutical product in a single year.

Three things to know:

1. In 2021, Pfizer hauled in $7.8 billion in U.S. COVID-19 vaccine sales and $29 billion in international sales.
   
   
2. The second-highest sales of a pharmaceutical product in a single year also came in 2021, as AbbVie raked in $20.7 billion for its rheumatoid arthritis drug Humira.
   
   
3. Pfizer controls about 70 percent of the COVID-19 vaccine market in the U.S. and Europe, according to Endpoints News.