raw egg safety hazard: detailed image showing salmonella bacteria on eggshell enlarged

yellow yolk raw egg white soft light blurred background contamination focus detailed texture contrast brown eggs broken shell macro closeup magnification microscopic view bacterial foodborne pathogens eggshell salmonella bacteria food hidden danger health risk caution safety threat exposure vulnerability invisible unseen poster campaign microbiology textbook industry kitchen hygiene public awareness warning label nutritional guide supermarket display generative hazard showing enlarged contaminated risks