Therefore, water that is boiled and then stored for any length of time may acquire new pathogens.

These investigations have also addressed the mechanisms by which new pathogens emerge with different host ranges.

The technology could also be used to create new pathogens or synthesize known ones.

Worse, their immune systems were defenseless against this new pathogen, foreign to them though it came only from another part of their own country.

In turn, a plant can mutate its defense system to compensate for the new pathogen.

That we can accidentally create fatal new pathogens is not a theoretical possibility but a practical actuality.

However, the government did not have a comprehensive plan to combat these new pathogens, nor had they adequately informed the public about them.

It showed us how difficult it is to anticipate new pathogens before they already have us in their grip.

But until now, no one has admitted taking the step of engineering a new pathogen that could be a potential military weapon.

Both books emphasize the incompleteness of medical knowledge and the need for surveillance systems to detect the new pathogens at an early moment.