George Mink Jr. is a health care outreach worker in Delaware County, Pa. He worries about what will happen when vaccines are no longer paid for by the federal government. (Kimberly Paynter/WHYY) Kimberly Paynter/WHYY hide caption toggle caption Kimberly Paynter/WHYY George Mink Jr. is a health care outreach worker in Delaware County, Pa. He worries about what will happen when vaccines are no longer paid for by the federal government. (Kimberly Paynter/WHYY) Kimberly Paynter/WHYY Robert, who lives in Philadelphia, knows signing up for Medicaid can be tricky with his ADHD, so he brought his daughter along to help him fill out the paperwork. “If we miss one little detail, they…