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.
On May 26, Charles Evans and Tom Bourdillon launched the first assault on the summit and came within 300 feet of the top of Everest before having to turn back because one of their oxygen sets was malfunctioning. On May 28, Tenzing and Hillary set out, setting up high camp at 27,900 feet.