Calculating Social Vulnerability Index by ZIP Code

A paper by Ng, Zhang and Kowal (2025) use the American Community Survey (ACS) data from 2016–2022 were used to construct Social Vulnerability Index (SVI).  SVI is calculated from 16 social determinants of health (SDoH) variables that are grouped into 4 themes: socioeconomic status, household characteristics, racial and ethnic minority status, and housing type &…

About face for RFK Jr. on MMR vaccine?

Last month, I noted that the decrease in vaccination rates has likely resulted in increased rates of measles in Texas and around the US. With measles cases on the rise, RFK Jr. now is has made a “call to action” to increase uptake of the MMR vaccine. Here is a quote from his editorial: As…

The value of knowing is not always positive

An interesting article by Ciancio et al. (2025) which examines the impact of learning one has HIV when no treatment is available. When there is no treatment available for a life-threatening disease, providing personal health information could lead to despair or fatalistic behaviors resulting in negative health outcomes. We document this possibility utilizing an experiment…