Question

complete the chart on the big 6 pathogens (salmonella typhi, shigella spp., e. coli, norovirus, hepatitis a, nontyphoidal salmonella).

pathogen source foods linked prevention method
salmonella typhi
shigella spp.
e. coli
norovirus
hepatitis a
nontyphoidal salmonella

Explanation:

Salmonella Typhi: Source - Infected humans; Foods Linked - Contaminated water, raw fruits/vegetables; Prevention - Proper sanitation, vaccination.
Shigella spp.: Source - Infected humans; Foods Linked - Contaminated water, ready - to - eat foods; Prevention - Handwashing, proper food handling.
E. coli: Source - Animal or human feces; Foods Linked - Undercooked beef, raw milk; Prevention - Cooking food thoroughly, handwashing.
Norovirus: Source - Infected humans; Foods Linked - Shellfish, ready - to - eat foods; Prevention - Handwashing, proper food handling.
Hepatitis A: Source - Infected humans; Foods Linked - Raw or undercooked shellfish, contaminated produce; Prevention - Vaccination, proper sanitation.
Nontyphoidal Salmonella: Source - Animals (poultry, cattle); Foods Linked - Poultry, eggs, raw milk; Prevention - Cooking food thoroughly, proper food handling.

Answer:

Pathogen	Source	Foods Linked	Prevention Method
Shigella spp.	Infected humans	Contaminated water, ready - to - eat foods	Handwashing, proper food handling
E. coli	Animal or human feces	Undercooked beef, raw milk	Cooking food thoroughly, handwashing
Norovirus	Infected humans	Shellfish, ready - to - eat foods	Handwashing, proper food handling
Hepatitis A	Infected humans	Raw or undercooked shellfish, contaminated produce	Vaccination, proper sanitation
Nontyphoidal Salmonella	Animals (poultry, cattle)	Poultry, eggs, raw milk	Cooking food thoroughly, proper food handling