What is the vaccine for? So that there are 20 times fewer deaths from covid

  • Among those over 70, the unvaccinated are three times more likely to be hospitalized and the risk of death is quadrupled

One year after he was injected with first dose of the vaccine against covid-19 to Josefa Pérez, the now 90-year-old woman, resident in the Feixa Llarga nursing home in L’Hospitalet de Llobregat, who became the first person in Catalonia to receive the Pfizer serum, 76.1% of the Catalan population is already fully immunized against the virus and one in four citizens over the age of 12 has received a booster dose.

With the escalation of new infections that has been registered in recent weeks, mainly due to the irruption of the omicron variant, but also because of the relaxation of restrictions that occurred after the fifth wave, experts insist that, now more than ever, it is necessary to maintain the rate of vaccination. Those who have received the serum have up to 20 times less likely that the infection is complicated and ends up being lethal, recalls the doctor and researcher Salvador Macip, who, in turn, cites the data collected by the University of Oxford in its portal Our World in Data.

Thus, for example, while on August 23, in the fifth wave of the covid in Catalonia, the Ministry of Health notified 1,525 newly infected and 14 deaths, on December 23, already in the sixth wave, the number of infections climbed to 14,146 cases, but deaths were seven, just half that four months earlier, when vaccination was not as widespread. The effects of immunization, however, vary with age.

Over 70 years old, the shield of the third dose

Among the older population, unvaccinated people have three times as likely to be hospitalized and the risk of death is quadrupled, as concluded from the data recorded in Catalonia between November 20 and December 20 and available on the website dadescovid.cat, of the Ministry of Health.

In this age group, which has already received the majority of the booster dose, the effect of the vaccine is especially noticeable in critically ill patients: for every vaccinated person admitted to the udi, seven are not vaccinated.

From 50 to 69 years, when the vaccine is most noticeable

Although the fact of being vaccinated or not has little impact on the rate of infections, the truth is that for people of this age group having received the serum to mitigate the chances of a severe complication of the illness. In the last month, for example, for every person between 50 and 59 years old already vaccinated who died after being infected with COVID, five unvaccinated died.

There has also been a significant difference in revenue in the ucis. For every vaccinated person who has been cared for in critical patients units, there were six unvaccinated.

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From 30 to 49 years old, the most exposed

People in this age group are, at the moment, those who have received the last dose for the longest time, since the other groups are either receiving third doses (in the case of the elderly) or they have been vaccinated. more recently (the youngest). Therefore, it is the vaccinated people with the lowest level of immunity and those who, with the omicron variant, are becoming more infected.

In your case, not having been vaccinated multiply by 10 the risk of ending up being admitted in an icu. Regarding hospitalizations, the difference between vaccinated and unvaccinated is one to seven.

10 to 29 years old, a heterogeneous group

For every person between the ages of 10 and 29 who is vaccinated and becomes infected, three young people of the same age who are not vaccinated are infected. The problem when analyzing immunization rates in this age group is that they differ greatly between the groups that make it up. While 83.5% of people between 16 and 19 years of age and 76.3% of those between 12 and 15 have already received the complete vaccination schedule, among those over 20 years of age, the rate is little more than 73%.

The effect on hospitalizations and critically ill patients is very noticeable: those who are not immunized are eight times more likely to end up in the hospital and 10 times more likely to end up in the ICU.


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