RFK to keep earning from drug litigation if confirmed as HHS secretary, raising ethical concerns

Robert Kennedy Jr., nominated for Health and Human Services Secretary, has earned over $2.4 million from client referrals to a law firm involved in a lawsuit against a drug maker over the HPV vaccine, Gardasil. He plans to continue collecting fees from past referrals, raising ethical concerns due to his potential influence over drug policy as HHS head. Kennedy is set to appear before Senate committees for his confirmation hearing.

What vaccine is the law firm suing a drug maker over?

What potential issue could arise from Kennedy's past referrals if he is confirmed?