Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Still frames of video presentation. One actor ate her food and did not sneeze (Frame 1); the other actor ate her food and then sneezed into the bowl (Frame 2). Each actor handed her bowl forward (Frame 3) and remained on screen for the remainder of the session (Frame 4).
