A common, highly contagious and sometimes deadly stomach bug known as norovirus costs the world some $64 billion dollars (Sh6.47)per year, mainly in lost productivity, researchers said Tuesday. The study by experts at Johns Hopkins…
A common, highly contagious and sometimes deadly stomach bug known as norovirus costs the world some $64 billion dollars (Sh6.47)per year, mainly in lost productivity, researchers said Tuesday. The study by experts at Johns Hopkins…