H1N1: Understand the differences between early vaccine, the NHS and the private clinic

h1n1 flu vaccineIncomible / shutterstock

It is expected that 2016 be a year of increased circulation of the H1N1 virus, a type of flu virus strain of Influenza A. As a result, it is expected that the health status of patients is more serious and that, consequently, there is a greater number of deaths. The situation is leading thousands of people to health centers and clinics immunization. But we must know that these vaccines are different. Understand why.

Types of flu vaccine

The flu vaccine protects against influenza A, including the prevention of the H1N1 strain and influenza B. But within this common feature, there may be variations.

SUS vaccine

The vaccine offered by SUS in health clinics and vaccination centers is trivalent. It takes its name from the immunization contain required against three strains:

- Strain of H1N1 flu, a type of influenza A;
- H3N2 strain of influenza, a type of influenza A;
- Victoria strain, a type of influenza B.

the particular clinical vaccine immunization

Private clinics usually offer, besides the trivalent vaccine, the tetravalent vaccine. It takes its name because it contains preventing four types of strain:

- Strain of H1N1 flu, a type of influenza A;
- H3N2 strain of influenza, a type of influenza A;
- Victoria strain, a type of influenza B;
- Yamagata strain, a type of influenza B.

This vaccine can also be quadrivalent call and is already offered by the public health system of the United States, United Kingdom and Australia.

According to pediatrician Lucia Bricks, medical director of Sanofi Pasteur for Latin America, the tetravalent vaccine offers greater protection range and the ideal is that it is offered free to the public.

respiratory problem childCLUSTERX / shutterstockA H1N1 flu tends to affect children first and then adults

early vaccine

The advance of the flu vaccination conducted by the São Paulo government took place according to the severity and number of cases in the northwest of the state. Bricks Lucia explains that this immunization was done with vaccines left over from last year, when demand for them was lower due to the low circulation of influenza, and that these lots are within the validity.

However, those who receive this medication should be vaccinated again when this year's campaign happen. One reason for this is that the H3N2 strains and influenza B strain have changed and do not respond the same way to last year's vaccine. The H1N1 strain continues to respond similarly to last year's vaccine.

Furthermore, the influenza vaccine is increased by an instability have been produced for a long time.

Meet: differences between seasonal flu and H1N1

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