Flu pandemic

A flu pandemic is a global epidemic caused by a new virus to which there is little or no pre-existing immunity in the human population, which allows the virus to spread easily from person to person worldwide. Influenza pandemics are impossible to predict; More

Measles

Measles is one of the most highly communicable infectious diseases. This can be transmitted airborne by droplet spread or by direct contact with nasal or throat secretions of infected persons. Incubation period usually ranges from 7 - 18 days. More