Don't mix up 'infective' with 'infected'; 'infective' describes something that can cause infection. The infective agent has not infected anyone yet.
Pro Tip 2/3
Collocation examples
'Infective' often pairs with words like 'agent,' 'disease,' or 'stage' to describe infectious aspects. Researchers are studying the infective stage of the virus.
Pro Tip 3/3
Negative connotation
'Infective' has a negative connotation since it's related to illnesses and their spread. Use gloves to handle infective material safely.