Nigeria Food Handler Certificate key terms

An illness caused by eating contaminated food, often resulting in stomach pain, vomiting, diarrhoea, or fever. It can be caused by bacteria, viruses, parasites, or chemicals.

A microorganism that causes disease, such as certain bacteria, viruses, or parasites. In food safety, pathogens are the main concern because they can multiply in food and make people sick.

Single-celled microorganisms that can cause foodborne illness. Under warm conditions and with moisture and food, they can multiply rapidly and produce toxins.

A tiny infectious agent that can cause foodborne illness, such as norovirus or hepatitis A. Viruses do not multiply in food but can be spread by infected food handlers.

An organism that lives in or on another organism and can cause foodborne illness. Examples include Giardia and tapeworms, often linked to contaminated water or undercooked meat.

The presence of harmful substances or microorganisms in food, making it unsafe to eat. Contamination can be biological, chemical, or physical.

The transfer of harmful microorganisms or substances from one food, surface, or equipment to another. It often happens when raw meat juices touch ready-to-eat food or via unclean hands and utensils.

The temperature range between 5°C and 60°C (41°F and 140°F) in which bacteria multiply most rapidly. Food should not be kept in this zone for long periods.

Practices that keep a food handler clean to prevent contaminating food, including handwashing, clean clothing, and keeping hair covered. It is a key defence against foodborne illness.

The act of cleaning hands with soap and running water to remove dirt and microorganisms. Proper handwashing is one of the most effective ways to prevent food contamination.

Food that is intended to be eaten without further cooking or processing. It is at high risk of cross-contamination because any pathogens present will not be killed before eating.

Keeping food at safe temperatures to prevent bacterial growth. This includes storing cold food at 5°C (41°F) or below and hot food at 60°C (140°F) or above.

The process of bringing hot food down to a safe cold temperature quickly. Food should be cooled from 60°C to 5°C within a set time, often using shallow containers or ice baths.

The process of heating previously cooked food to a safe internal temperature before serving. Reheating must be rapid and thorough to kill any bacteria that may have grown.

The removal of visible dirt, food debris, and grease from surfaces and equipment. Cleaning must be done before sanitizing to allow the sanitizer to work effectively.

The process of reducing the number of microorganisms on a cleaned surface to a safe level. It is done using heat or chemicals after cleaning.

A cleaning agent that helps remove grease, dirt, and food residues from surfaces. Detergents do not necessarily kill microorganisms; they are used before sanitizing.

A chemical agent used to destroy or reduce harmful microorganisms on surfaces. In food areas, it must be used according to instructions and usually after cleaning.

Measures taken to prevent and eliminate pests such as rodents, insects, and birds from food premises. This includes proofing, cleaning, waste management, and professional pest control services.

Any building or area where food is prepared, stored, served, or sold. Premises must be kept clean, well-maintained, and designed to prevent contamination and pest entry.

Water that is safe to drink and safe for use in food preparation. It must meet drinking water standards and be free from harmful microorganisms and chemicals.

The safe handling and disposal of food waste and other rubbish to prevent contamination and pest attraction. Waste containers should be covered, cleaned regularly, and kept away from food areas.

A person who works with food, including preparing, cooking, serving, or storing it. Food handlers have a legal responsibility to follow food safety practices and report certain illnesses.

The physical condition of a food handler, which can affect food safety. Food handlers must not work while suffering from certain illnesses or symptoms that can be transmitted through food.

The duty of a food handler to inform their supervisor if they have symptoms of illness or a diagnosed foodborne disease. This helps prevent the spread of illness to others.

Legislation and regulations that set requirements for food businesses and handlers to ensure food is safe. In Nigeria, this includes standards set by NAFDAC and other agencies.

A resistant form of certain bacteria that can survive harsh conditions, including high temperatures. Spores can germinate into active bacteria and cause foodborne illness if food is not properly handled.

A poisonous substance produced by some microorganisms, such as certain bacteria. Toxins can cause illness even if the bacteria that produced them are later killed by cooking.

A substance in food that can cause an allergic reaction in some people. Food handlers must prevent cross-contact between allergens and other foods and provide accurate information.

The practice of keeping food in appropriate conditions to maintain safety and quality. This includes correct temperature, cleanliness, and protection from contamination and pests.

The practice of labelling food with dates to indicate its shelf life or when it was prepared. It helps ensure that food is used within safe time limits and reduces waste.

A product used to reduce microorganisms on hands when soap and water are not available. It is not a substitute for handwashing and should be used only as an interim measure.

The occurrence of two or more cases of a similar illness resulting from the ingestion of a common food. Outbreaks must be investigated and reported to public health authorities.

The National Agency for Food and Drug Administration and Control in Nigeria. It regulates food, drugs, and other products to ensure they are safe and of good quality.

A facility such as a toilet, handwashing station, or waste disposal system that helps maintain hygiene. Food premises must have adequate sanitary facilities for staff and customers.

Any surface that comes into direct contact with food, such as cutting boards, utensils, and countertops. These surfaces must be cleaned and sanitized regularly to prevent contamination.

Clothing or equipment worn by food handlers to protect food from contamination, such as aprons, gloves, and hairnets. PPE must be clean and used correctly.