reinfect
Contract illness twice
To reinfect is to infect again after recovery or treatment.
A person can be reinfected with COVID, a computer with malware.
The term implies the original infection was cleared before the new one took hold: She was reinfected six months after her first bout with the virus.
To distribute widely
- contagionDisease spread by contact
- exposureState of being unprotected
- contactCommunication or physical touch
- transmissionSending of information
contaminate · outbreak · epidemic · pandemic · incubation · quarantine · isolation · carrier
Microscopic infectious agent
- bacteriaNucleus-free single-celled organisms
- pathogenDisease-causing microorganism
- fungusSpore-bearing organism
- parasiteOne exploiting a host
microbe · germ · strain · variant · mutation · communicable · vector · host
Return to former illness
- flare-upSudden recurrence of symptoms
- resurgenceReturn after dormancy
- reactivationRestoring to function
- reemergenceReturning to visibility
recurrence · breakthrough · rebound · cyclical · dormant · latent · persistent · chronic
Protein targeting foreign substances
- immunityProtected from harm
- resistanceCapacity to withstand force
- vaccineDisease prevention injection
- boosterSomething that increases strength
immunocompromised · waning · breakthrough · titer · reexposure · susceptibility
spread
To distribute widely
- contagionDisease spread by contact
- exposureState of being unprotected
- contactCommunication or physical touch
transmission · contaminate · outbreak · epidemic · pandemic · incubation · quarantine · isolation · carrier · superspreader
virus
Microscopic infectious agent
- bacteriaNucleus-free single-celled organisms
- pathogenDisease-causing microorganism
- fungusSpore-bearing organism
parasite · microbe · germ · strain · variant · mutation · communicable · vector · host · reservoir
relapse
Return to former illness
- flare-upSudden recurrence of symptoms
- resurgenceReturn after dormancy
- reactivationRestoring to function
reemergence · recurrence · breakthrough · rebound · cyclical · dormant · latent · persistent · chronic · remission
antibody
Protein targeting foreign substances
- immunityProtected from harm
- resistanceCapacity to withstand force
- vaccineDisease prevention injection
booster · immunocompromised · waning · breakthrough · titer · reexposure · susceptibility