Describe the purpose and design of the Verstraeten et al study Safety of Thimerosal-Containing Vaccines: A Two-Phased Study of Computerized Health Maintenance Organization briefly. Describe how well the article meets the criteria for causality (see presentation and Hills criteria):
- Biological Gradient
Based on your critique, do you agree with the authors conclusions? Does exposure to thimersol via vaccines cause adverse neurological outcomes?