New World Health Organization (WHO) guidelines to help countries accelerate efforts to stop the spread of tuberculosis (TB) infection by treating the sick with

On 26 November 2021, WHO designated variant B.1.1529 as a variant of concern, named Omicron, on the advice of the Technical Advisory Group on Virus

Epidemiology Wuhan is a modern city located more than 1,035 kilometers south of the Chinese capital, Beijing. The emergence of the Extraordinary Pneumonia Incident in