contagious diseases
Illnesses that spread
Contagious diseases are illnesses that spread from person to person through direct contact, airborne transmission, or contaminated surfaces.
The phrase often appears in public health contexts discussing prevention and containment: Schools may exclude children with contagious diseases.
The term encompasses everything from common colds to more serious infections like tuberculosis or measles.
- dropletTiny liquid sphere
- rashHeedless or skin irritation
- coughExplosive airway clearing
- bloodborneCarried via circulation
- isolationComplete separation from others
close contact · epidemic · superspreader · airborne · quarantine · sick day · public health · contact tracing · incubation period · vector-borne · sneeze · patient zero · fever · bacteria · infectious agent · germ theory · common cold · virus
contagious diseaseshereditary diseases
Conditions passed through genes
genetic disorders · autoimmune diseases · degenerative diseases · congenital disorders · metabolic disorders
contagious diseaseshereditary conditions
Illnesses passed through families
inherited disorders · birth defects · Huntington's disease · cystic fibrosis · sickle cell disease