Around $11 million has been paid out to 356 politicians and political groups in Congress, and more is expected to follow, says STAT, the medical research group.
It has focused on 23 of the biggest drug companies and their political action committees (PACs), which have made "a barrage" of contributions directly or through trade associations.
Pfizer—which stands to make $15bn from its Covid vaccine if it can pass the tests—has been the most active, cutting 548 checks, while Amgen and Merck have sent 405 and 379 checks respectively.
Congress has responded in kind, and has sanctioned billions of dollars to federal healthcare agencies that, in turn, are funding Covid vaccine research projects.
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