Slapped cheek disease (also known as fifth disease or parvovirus B19). Incubation period: 1-20 days. Infectious period: A few days before the rash appears (children are no longer contagious when the rash appears).Symptoms: 1  It begins with a fever and nasal discharge.2  A bright red rash, like the mark left by a slap, appears on the cheeks.ncubation period: 1-20 days. Infectious period: A few days before the rash appears (children are no longer contagious when the rash appears). Symptoms: 1  It begins with a fever and nasal discharge. 2  A bright red rash, like the mark left by a slap, appears on the cheeks.
#1. The First Photograph. The worldâs first photograph made in a camera was taken in 1826 by Joseph NicÃ©phore NiÃ©pce. The photograph was taken from the upstairâs windows of NiÃ©pceâs estate in the Burgundy region of France.
The first retail version of Photoshop was... The raster graphics editing software Photoshop, currently produced by Adobe Systems, was originally created in 1988 by brothers John and Thomas Knoll. The first retail version of Photoshop was... The raster graphics editing software Photoshop, currently produced by Adobe Systems, was originally created in 1988 by brothers John and Thomas Knoll. The first retail version of Photoshop was released exclusively for Apple Macintosh computers in 1990. Continue Reading