"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you find yourself itching your head, you may have dry skin or irritating dandruff. While these are ...

Symptoms: Indicators of sweet orange scab include pustules on leaves that initially look like water spots and scabs on young fruit that can spread and eventually crack. While the inside of the fruit ...

Robin asks: Some of the fruit on my tangelo tree have scabby looking growths. What might be causing this? Is the fruit ruined? Should I remove them or is there a treatment? All parts of susceptible ...

Smallpox progresses through three phases: incubation, prodrome, and pox. [4,11,18,19] The incubation period for smallpox is approximately 7 to 17 days post-exposure. The individual is asymptomatic and ...

Infection with smallpox requires close, prolonged personal contact; trivial contact usually does not result in spread of the disease. Spread by fomites, like infected clothing and bed linens, is ...