[Series] Innovation in active and passive immunisation of people who are immunocompromised: a call to action

The proportion of the population with immunocompromising conditions, who are at increased risk for complications from infectious diseases, continues to grow. Concurrently, outbreaks due to known and emerging pathogens are increasing. Vaccines are the foundation of infection prevention; however, attenuated immune responses in people who are immunocompromised necessitates innovation in design and delivery strategies. Passive immunisation, whereby the desired immunity is directly transferred to an individual, albeit transiently, could be valuable for patients who are unable to generate robust immune responses with vaccination or infection.