Meanings of deliberate introduction in English

The need for a planned response to a deliberate introduction of smallpox has recently become urgent.

PMID: 12434061 The need for a planned response to a deliberate introduction of smallpox has recently become urgent.

A recent example of the latter was the deliberate introduction of witches' broom disease of cocoa, Crinipellis perniciosa, in Brazil.

Vaccination is the deliberate introduction of toxic material into the bloodstream, bypassing all the subtle levels of the immune system.

It could also help targeted vaccination be more competitive with mass vaccination at both preventing and containing a deliberate introduction of smallpox.

Vaccination is the deliberate introduction of toxic material directly into the bloodstream, thereby bypassing all the subtle levels of the immune system.

For a moment they stood silent, after what seemed a deliberate introduction to each other, and Cassandra watched her crossing the room.