Measles can be spread through direct contact or via coughs and sneezes.

BBC: James Cook Hospital measles alert

Thereafter, adults spread coughs and sneezes in their workplaces.

ECONOMIST: Flu vaccination

When a flu victim sneezes and coughs they send out thousands of droplets of flu-laden fluid.

FORBES: Coughing Mannequins Shed Light On Flu Transmission

The disease, which is contagious and spreads through the air when an infected person coughs, spits or sneezes, strikes everywhere, but predominantly affects the poor.

CNN: The story

Instead, it spreads like any other flu: someone sneezes or coughs, spreading the virus to other mammals (humans included) and onto surfaces.

CNN: CDC: Cases of new swine flu strain rising

Instead, it spreads like any other flu -- someone sneezes or coughs, spreading the virus to other mammals (humans included) and onto surfaces.

CNN: CDC: Increase seen in new swine flu strain