The supermodel said more would be revealed on her YouTube channel, Naomi, tomorrow.
Campbell's video comes days after she posted images of herself wearing protective gear at Los Angeles International airport.
In the snaps, captioned "safety first", Campbell can be seen with gloves, a mask and a full-body hazmat suit as she prepares to board.
The virus has infected so far 130,000 people in 116 countries and territories and has killed at least 4,900 people, according to an AFP tally.
Sporting events have been cancelled, schools and tourist attractions shut down and events postponed in a bid to contain the outbreak.