Study predicts modest impact from additional dose of rotavirus vaccine

New Haven, Conn. — Giving children an additional dose of rotavirus vaccine when they are nine months old would provide only a modest improvement in the vaccine’s effectiveness in low-income countries concerned about waning protection against the highly contagious disease,…

Findings shed new light on why Zika causes birth defects in some pregnancies

One thing is clear when it comes to Zika: pregnant women must do everything they can to avoid getting infected. If the virus gains entry to the mother’s cells, it can also infect the baby and cause severe birth defects,…