Answer:
The chefs who were preparing food for the company picnic did not know much about safe food handling and the risks of contamination. During preparation, raw chicken was left beside vegetables, including lettuce and tomatoes, that would be used for both the egg salad and the green salad. The chicken, after sliced, were never cooked properly, allowing the bacteria to live. The lettuce and tomatoes were not washed after having touched the raw chicken. Since salads are not cooked, the bacteria on the vegetables were not killed either.
Explanation:
Campylobacter can be found in poultry, like chicken. Contamination can happen with direct contact and not washing foods.
Tissue culture is the growth in an artificial medium of cells derived from living tissue.
