vaccine

A vaccine to protect against the Zika virus produced an immune response in the first phase of a randomized clinical trial, researchers report in the Lancet. They are now testing the efficacy of the vaccine.

Each year, as flu season approaches, many of us offer up our arms for a quick pinch, hoping to stay healthy during the winter ahead. The annual influenza vaccine protects against a few strains of the disease that experts at the World Health Organization (WHO) and Food and Drug Administration (FDA) predict will be most common that season.