Why is it necessary to maintain the cold chain?

Why is it necessary to maintain the cold chain?

Cold Chain in Food pdf

The PAHO Immunization Unit welcomes all health workers, NIP managers, managers with responsibility for cold chain and supply chain operations, and the general audience to our website.

Today’s cold chain and immunization supply chain operations have been one of the key elements in expanding the delivery of daily immunization services and enabling more people to be protected from vaccine-preventable diseases. When the PAHO Immunization Unit was established in 1977, both PAHO and national program staff understood that the immunization cold chain was the backbone of the program.

To ensure that vaccines provide the expected benefits when a patient receives an immunization, the epidemiologist and health personnel understand that each dose of vaccine administered must be potent in protecting the recipient against the target disease(s). To achieve this goal, the Immunization Unit, at PAHO, focused on five pillars:

When should the cold chain be maintained?

At -18ºC all reactions responsible for food browning are inhibited. This temperature is the standard freezing temperature for the international cold chain. At -70ºC all enzymatic reactions are cancelled, so in theory the food would be preserved indefinitely.

How to maintain the cold chain in vaccines?

Depending on the type of vaccine, there are two temperature ranges for vaccine storage: Vaccines that are sensitive to freezing should be stored at temperatures between 2°C to 8°C. Vaccines produced with viral and/or lyophilized strains can be stored at temperatures between -15°C and -25°C.

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What are the 4 stages of the cold chain?

The coordination of all the people working in the whole process is vital to achieve continuity in the cold chain in the production, storage, transport, distribution and sales phases.

Why is the cold chain important in vaccines?

One of the most sensitive pharmaceutical products to climatic changes are vaccines, so it is very important to preserve the cold chain and thus avoid all kinds of unnecessary risks in order to prevent health problems to people who are administered as well as economic losses and prestige for the laboratory that manufactures them.

The cold chain is the process by which the immunizing capacity of a vaccine is maintained from its manufacture to its administration by keeping it at the ideal temperature (between +2º and +8ºC) at all times.

What is the ideal temperature for storing vaccines?

The vaccines used in the PAI are biological products of complex preparation and very sensitive to any external affectation, for this reason they must be within fixed refrigeration temperature ranges (+2 °C to +8 °C) in order to guarantee their optimum quality, if they are exposed to higher temperatures or …

What happens if the cold chain in vaccines is broken?

What happens if the chain is broken? Vaccines can only protect against disease if they are delivered safely. Overexposure to heat, cold or light can damage the quality of vaccines.

How many levels are there in the cold chain?

The levels of the “Cold Chain” may vary and adapt to the health structure established in each country. Generally, three levels of storage can be differentiated: NATIONAL OR CENTRAL LEVEL: Equipped with large volume cold rooms to store vaccines for long periods of time.

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Importance of the meat cold chain

For decades now, freezing has been recognized as one of the most effective preservation systems for fresh foods, in addition to offering the enormous advantage of maintaining all the nutritional values of the product intact. The basic mechanism of the use of cold for this purpose is easy to explain: at low temperatures, the speed of the alterations that spoil raw materials is reduced while, on the other hand, most of the microorganisms responsible for infections or intoxications also stop their growth. Currently, the most widespread method for commercial purposes is deep-freezing, which consists of achieving a temperature of between -18ºC and -20ºC until the moment of final consumption.

The modern food market depends to a large extent on frozen products, which also make possible another relevant practice: the spacing of purchases, with the consequent saving of time and (theoretical) price stability, since all products can be marketed at their optimum harvesting time.

What are the elements of the cold chain?

The three fundamental elements of the “Cold Chain” system are: – The Human Resource that manages the actions and handles the vaccine; – The Material Resource for storage and distribution; The Financial Resource to ensure the operability of the Human and Material Resources.

What is the cold room operation like?

A cold room operates in much the same way as a domestic refrigerator: by insulating an area and using refrigerant-equipped compressor units to lower the interior temperature to a level specified by a digital or analog thermostat.

Why is cold chain logistics management more complicated?

It is due to exposure to unsuitable conditions for preservation. This can completely damage products or compromise their quality. That is why the harmful effects are often manifested when it is in the hands of the consumer.

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What is the cold chain in vaccines?

Do you know the importance of the cold chain and what is it? A cold chain is a system in which products are stored at the required temperatures to maintain their effectiveness in transport from the manufacturing site to the point of use.

Cold chain management involves the management of products such as vaccines, serums, tests, etc. that are not heat stable, need temperature control for transportation from the time the product is produced to the product’s shelf life.

The cold chain also maintains air quality and levels, such as carbon dioxide, oxygen, humidity, etc. Therefore, for products that are extremely susceptible to temperature changes, cold chain solutions play an important role.

The cold chain is therefore one of the most complex chains to manage. Considering the importance of vaccines in the medical world and their sensitivity to heat and cold, they must be kept at precise temperatures. Therefore, vaccine storage encompasses the importance of cold chain solutions.

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