Transmission of Neurosyphilis from Person to Person. Neurosyphilis is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people.
On May 29, 1953, Edmund Hillary and Tenzing Norgay completed the first confirmed ascent of Mount Everest, which stands 29,035 feet above sea level.
Itâs 248 feet lower.â Follow Laura Parker on Twitter. Pictures: Everest Climbs Through History 1 / 7 Happy Day First to reach the top of the world, Edmund Hillary and Tenzing Norgay were all smiles in Kathmandu, Nepal, where they posed in their climbing gear weeks after their famous ascent in 1953.