The flu vaccination campaign has already started in many autonomous communities for the recommended groups. At INFOVERITAS we have already compiled the days on which this plan started in the different autonomies and the groups that would receive the vaccines. In this context, these days the social networks They have once again been the scenario through which misinformation in this regard has circulated.
For example, an anonymous X user posted the following message on his profile: “They will tell you to get a flu shot every year because the viruses mutate. FAKE. See the composition of the 2024-25 season vaccine, identical to last year. What happens is that, being a vaccine manifestly unnecessary, in addition Its limited effect lasts just two months.”. The post is accompanied by an image that shows the components of the quadrivalent vaccines, which contain four strains of the virus, against the flu by 2024.
However, this is false. He Ministry of Health confirms to INFOVERITAS that any document that circulates on networks, such as the one that has gone viral in relation to the composition of the vaccines, and is not the official recommendation for flu vaccines It is not reliable information.
Recommendations for flu vaccines other than the official ones are not reliable information. To verify the veracity of the viral message, INFOVERITAS, first of all, consulted with the Ministry of Health. From its press department has provided the official document of recommendations for the 2024/25 flu vaccination season, which is carried out simultaneously with the COVID-19. “Any other information available on the networks is not reliable information,” the institution highlights in this regard.
Furthermore, as part of the response to the INFOVERITAS consultation, the Ministry of Health reports that the recommendations contained in the document They are based on those issued by the World Health Organization (WHO) last February.
There are changes compared to the previous season
In this sense, a consultation in the recommendations document shows that there has been a change in the composition of the vaccines tetravalents against the flu, contrary to what is stated in the viral post. “Compared to the previous season, The following change has occurred in the composition of vaccines for this 2024-2025 season: component A(H3N2), which was previously the analogue strain A/Darwin/9/2021 (H3N2) has been replaced by the analogue strain A/Thailand/8/2022 (H3N2) in the vaccines produced from embryonated eggs and by the strain analogous to A/Massachussetts/18/2022 (H3N2) in vaccines from cell cultures,” is reflected in said document.
In fact, as can be seen, the information on the composition of quadrivalent flu vaccines that appears in the ministry document differs from the one that has gone viral these days in x. Thus, this change is reflected when compared to the recommendations of the previous vaccine campaign. Therefore the viral post is false.
INFOVERITAS verifies that…
The viral post that claims that the composition of quadrivalent flu vaccines is identical to last year’s is false. The Ministry of Health confirms that any comments circulating on networks that share information that is not taken from the vaccination recommendations document are not reliable. In addition, a change has been made compared to the previous season.
Sources
Consult the press department of the Ministry of Health
Official document of flu vaccination recommendations for the 2024/25 season
WHO flu vaccination recommendations
Vaccination recommendations document for the 2023/24 season
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