Scab

Scab may refer to:

Biology

• Scab, a hard coating on the skin formed during the wound healing reconstruction phase
• scAb, single-chain antibody fragment

Infections and infestations

• Apple scab, an apple tree (genus Malus) fungal disease caused by Venturia inaequalis
• Black scab, a potato fungal disease caused by Synchytrium endobioticum
• Common scab, a plant bacterial disease caused by Streptomyces species
• Fusarium head blight, a fungal disease of plants, e.g., grain crops (especially wheat and oats), golf course grass, caused by the several species of Fusarium
• Pear scab, a pear fungal disease caused by Venturia pirina or Fusicladium pyrorum
• Poinsettia scab, a spot anthracnose disease caused by Sphaceloma poinsettiae
• Powdery scab, a disease of the skin of potatoes caused by the protozoa Spongospora subterranea
• Sheep scab, a skin disease of sheep caused by the mite Psoroptes ovis

Labor

• Scab, a pejorative term for a strikebreaker, a person who works despite strike action or against the will of other employees

Other uses

• South Coast Air Basin, in California, US
• Johnny Dole & The Scabs, one of the first punk rock bands in Australia
• "Scab" (Juliet Bravo), a 1985 television episode

See also

• Scabs (disambiguation)
• Channeled Scablands, an eroded landscape formed by Missoula Floods in the U.S. state of Washington
• Scabies, a skin disease caused by the mite Sarcoptes scabiei
• U.S. Wheat and Barley Scab Initiative, a joint government and academic program to develop control measures to minimize the threat of Fusarium head blight (scab) in the United States