‘Ghost providers’ in Medicaid managed care directories can make it harder to find OB/GYNs and midwives.

School-level data can be a powerful tool for preventing and fighting outbreaks, researchers say. Yet depending on the state, the information may not be routinely available.

Classes are resuming amid record-high measles cases. A single case could cause major disruptions for those exposed.

Financial cuts, archaic information systems, and disconnects between state and federal agencies hampered the public health response, a top Michigan official says.

More than 74,000 adults over age 50 sought titer tests since last year, exclusive data shows.

The decision affecting a hantavirus cruise ship passenger raises new questions about federal quarantine powers and whether less restrictive alternatives are being properly considered.

This is the second baby formula recall in seven months related to infant botulism. Advocates say the cases raise questions about product safety and federal oversight.

Public health experts say secrecy around federal quarantine decisions can undermine trust in the government.

The CDC can only order quarantines for specific diseases put on a list by presidential executive order. A public health law expert told Healthbeat that federal officials’ novel approach — arguing that hantavirus is a type of severe acute respiratory syndrome — risks a legal challenge.

Internal records show how the South Carolina outbreak started with just four households, then spread through networks of unvaccinated people.