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How to explain the differences in vaccination coverage according to the territories?  – #Dataspot


Three out of ten: this is the proportion of inhabitants vaccinated in the departments for which the population coverage is the most advanced. It even approaches four out of ten if we only take into account adults. In Brittany, the Côtes-d’Armor are among these territories, and Morbihan is not very far behind. On the other side of the list, vaccination coverage does not reach two out of ten inhabitants in a dozen departments, especially in the Paris region. How to explain such a gap?

  • 1 Age
  • A major difference plays in the first place: the share of priority audiences since the start of vaccination. All French people over 18 who want it should be able to be vaccinated from June 15, but before that, only the oldest age groups mainly had access to vaccination in the first quarter of 2021.

    However, the average age is very variable according to the territories. In Brittany, precisely, the weight of the over 60s is quite significant in the population. Morbihan is also located in the 30 departments with more than a third of inhabitants in this age group. And among the least vaccinated departments, we find the youngest in France, that of Seine-Saint-Denis.

  • 2 The population
  • However, some slightly younger territories have more advanced vaccination coverage than their senior neighbors. In many cases, this is due to another simple factor associated with age: number of inhabitants in the territory. The weight of the elderly population is one thing, but a quarter of seniors among 150,000 inhabitants does not represent the same number of injections to be carried out as in an area of ​​more than one million people.

    Example with Corse-du-Sud, which has the highest vaccination coverage, and Moselle: the weight of over 60s is identical in the two departments, but the first has 162,000 inhabitants, against 1 million in the second . The share of vaccinated suffers: 32% against 24%.

    Likewise, the North, Paris and the Bouches-du-Rhône are the departments with the most first dose injections. But compared to the very large number of inhabitants concentrated in these territories, they represent a smaller share than in less dense areas.

  • 3 The start and pace of vaccination
  • But then, how to explain that the Alpes-Maritimes, which exceeds one million inhabitants and has a moderately large share of over 60 years, appears in the ten highest vaccine coverage? Because other elements play in the countryside.

    The large-capacity vaccination center installed in the Palais des Expositions, in Nice, in the Alpes-Maritimes, on April 24. (AFP / Valery HACHE)

    In this Mediterranean territory, the campaign started early, especially in Nice, and at a significant pace: due to the difficult epidemic situation that was observed there, the territory was among those having received an excess of doses from the start. From January 9, a large capacity vaccination center opened in Cannes. Now, the city also allows non-priority people over 40 to make an appointment, as reported Franceinfo. The progress of the injections can therefore experience variable rates depending on the zone.

  • 4 Logistics
  • Routing of doses and availability of appointments may also differ. First, depending on the size of the vaccination centers in a territory and the network set up to grant excess doses to volunteers. But also, on the side of the “city” circuit, for the delivery of doses of AstraZeneca vaccine used by doctors and pharmacists.

    Tool for accelerating vaccination, like the new arrival of Johnson & Johnson, it takes an average of four days between its delivery and its arrival in the hands of the professionals responsible for the injection, underlined the Ministry of Health to the world, At the beginning of April. The vaccination of the public concerned by this vaccine may therefore experience a different rhythm.

  • 5 The craze
  • Finally, a parameter that is difficult to measure, but which is important, lies in the willingness of the inhabitants of each territory to be vaccinated. On vaccination in general, first. Brittany, as such, is one of the least distrustful territories vis-à-vis the public authorities and displaying an important civic sense, as we can notice, since the beginning of the epidemic, on the respect of barrier gestures. These cultural characteristics undoubtedly explain, in part, that the region has a total of more than 7 out of 10 inhabitants in favor of vaccination, the third highest rate behind Île-de-France and Provence-Alpes-Côte d’Azur, according to an Odoxa survey published Friday. The fear of the virus very present in recent months, in the other two regions, can also have an effect.

    There may also be differences on the methods of vaccination. Until now, vaccination was only possible with the AstraZeneca vaccine for 55-60 year olds. Distrust of this vaccine may have generated less enthusiasm which is reflected in the territories where this age group is represented. A trend potentially set to change in the coming weeks, with the use of the Johnson & Johnson vaccine and a marked expansion of the vaccine campaign to other audiences.

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