Summary:
- The article discusses a proposal by a senior FDA official to change the standards for clinical trials of childhood vaccines, which could make it more difficult to get new vaccines approved.
- The proposed changes would require larger and longer clinical trials, which could significantly increase the time and cost of vaccine development and potentially limit access to new vaccines.
- Experts argue that the current standards for vaccine testing are already rigorous and that the proposed changes could have negative consequences for public health by delaying the availability of new vaccines.