The Bacillus Calmette-Guérin (BCG) is one of the most widely used vaccines worldwide, with about 4 billion doses administered over the past 100 years.
However, BCG is a biologic drug that uses benign bacteria, which makes it more complicated to manufacture than other drugs. This production limitation has led to decades-long vaccine shortages.
It has also been found to offer limited protection against diseases such as tuberculosis, an expanding health risk.
Recombinant BCG Vaccine Becomes Available in the U.S.
COVID-19 Pandemic Linked to Developmental Changes in Kindergarteners
Lower rate of change in Early Development Instrument scores seen for language and cognitive development
Robert F. Kennedy Jr. Downplays Measles Vaccine as Cases Surge
By I. Edwards HealthDay ReporterTHURSDAY, March 13, 2025 (HealthDay News) — A growing measles outbreak has led to 222 reported cases across Texas, New Mexico and Oklahoma in 2025, with …