No transmission of the organism occurs by person-to-person contact.

In envisioning a smallpox attack, terrorism experts consider person-to-person contact a main threat.

Many experts have hitherto favored person-to-person contact as the route of spread.

If they see it, they are to use caution and allow no person-to-person contact.

The virus is primarily spread by fecal contamination of food and water or through person-to-person contact.

Direct person-to-person contact and transmission replace computer hardware with human wetware.

Contagious diffusion: an idea or innovation based on person-to-person contact within a given population.

Opinion polls for many years were maintained through telecommunications or in person-to-person contact.

The latest threat to person-to-person contact comes from the phone company and automated directory assistance.

"The problem is person-to-person contact - and how do you prevent that?"