Author Archive

Rachana Pradhan

Rachana Pradhan is a correspondent with Kaiser Health News.
Data & Analytics

Huge gaps in vaccine data make it next to impossible to know who got the shots

There are 64 immunization registries in the United States that gather information for states, territories and a handful of large cities, and they aren’t connected. Meanwhile, real-time data in the U.S. public health system is virtually nonexistent.