Granuloma annulare is a chronic (long-term ... Lyme disease is a bacterial illness spread by infected ticks. About 70% to 80% ...

Etiology: The cause of granuloma annulare is unknown. Granuloma annulare can occur at any age, but is seen predominantly in children and young adults. It occurs more frequently in females than males.

Mice infected with the bacteria that cause tuberculosis (TB) fared better when treated with an experimental compound that ...