Significados de mass immunization en inglés

We consider no immunization versus mass immunization reaching 30% of the population.

Its rivals such as Sanofi-Aventis, Novartis and AstraZeneca are also poised to benefit from governments' mass immunization campaigns.

In response to the pandemic H1N1 influenza 2009 outbreak, many jurisdictions undertook mass immunization programs that were among the largest in recent history.