More than 1 million COVID-19 vaccination shots have been dispensed at Major League Baseball stadiums, with the Oakland Coliseum and Marlins Park among the sites planning to continue operating after opening day.

The 11 ballparks that converted to mass vaccination centers in the offseason combined to pass a million total shots this week, MLB said Friday.

The regular season starts Thursday.

Dodger Stadium, Yankee Stadium, Citi Field and PNC Park will keep providing doses after opening day, while Minute Maid Park and Petco Park are not planning that. The Colorado Rockies are still working to see if Coors Field will continue to be used.

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Fenway Park and Globe Life Field also were employed to administer doses.

"Major League Baseball, our clubs and major league players have worked hand-in-hand with communities across the U.S. and Canada during the pandemic," commissioner Rob Manfred said.

"I commend the clubs that have hosted vaccination and testing at their ballparks and all of our franchises for promoting health and safety in our communities. Most importantly, MLB is grateful to the countless heroes who are lifting up our society and helping us reach the better days ahead," he said.

Earlier this week, MLB joined the country's other sports leagues to support a new campaign — "It’s Up To You" — that includes spots by Angels star Mike Trout and Mets slugger Pete Alonso to encourage fans to get information on coronavirus vaccinations.