October 30th Born 30 Oct 1928; died 16 Nov 1999 at age 71 American microbiologist, corecipient of the Nobel Prize for Physiology or...

Erythema toxicum neonatorum: A benign self-limited eruption occurring primarily in healthy newborns in the early neonatal period. Characterized by blotchy...

October 29th Born 29 Oct 1920. Venezuelan-American geneticist and immunologist who studied the mechanisms and genetic foundation of the immunologic...

Tinea corporis (ringworm): It typically presents as a red, annular, scaly, pruritic patch with central clearing and an active border.

October 28th William Richard Shaboe Doll became an English epidemiologist who became one of the first researchers to hyperlink cigarette...

Erythema multiforme Blanching centre and target lesions

October 27th Born 27 Oct 1878; died 27 Oct 1945 at age 67. Bulgarian health practitioner and microbiologist who found...

Subungual hyperkeratosis (scaling under the nail due to excessive proliferation of keratinocytes in the nail bed and hyponychium)

October 26th Born 26 Oct 1654; died 20 Jan 1720 at age 65. Italian clinician and anatomist, personal physician to three popes, who...

Pitting (Sign of partial loss of cells from the surface of the nail plate)