Categories: Vaccine

Side effects of johnson and johnson vaccine

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Discover the side effects of the johnson and johnson vaccine.

The Johnson & Johnson vaccine has been applied in the country for a few weeks, what are its characteristics? Does it have a secondary effect on the nervous system? Here we tell you.

With the arrival of the 2.5 million vaccines from the pharmaceutical company Janssen, from Johnson & Johnson, the National Vaccination Plan against covid-19 is rapidly expanding, according to Gerson Bermont, director of promotion and prevention of the Ministry of Health to the FM: “ 1 million will be distributed in rural, dispersed territories, in remote areas, and with difficult access, while the other 1.5 million doses will be for the search of the population over 50 years of age who have not yet been vaccinated, and with comorbidities also in capital cities”.Side effects of johnson and johnson vaccineSide effects of johnson and johnson vaccine

What are their characteristics?

According to the dialectologist, José Millán Oñate told Noticias Caracol: “This vaccine is developed through a platform of viral vectors, in this case, they take an adenovirus and make some genetic modifications so that they do not cause infection in people and on that adenovirus they place the genetic material of SARS-Cov 19 so that the ‘S’ protein is produced and the immune reaction of protection against the virus is generated ”.        

In this case, this vaccine generates such a strong immune reaction, so powerful that it can be administered in a single dose. It does not require deep freezing, like Pfizer, but it needs to be stored and transported at low temperatures (-25°), and it can be administered anywhere in the world, especially in areas where there are difficulties in accessing health systems. It is recommended for people 18 years of age or older.

Effectiveness of Johnson & Johnson vaccine

In clinical studies, efficacy was shown for general infection of 67% and, according to the World Health Organization (WHO) 28 days after its application, an efficiency of 100% against death was found, 85.4% against symptoms severe, and 93.1% against hospitalization.

Contraindications of Johnson & Johnson vaccine

Dr. Millán mentions that the only one they find related is that there is a demonstrated allergy to the component of the vaccine.

Side effects of the Johnson & Johnson vaccine

There is the presence of pain in the place where it is applied, the increase in the nodes, redness, swelling, tiredness, headache, chills, nausea, fever, and muscle pain, the latter can last approximately two days. 

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In a very rare, very rare form, blood clots with low platelets (thrombosis-thrombocytopenia syndrome or TTS) can occur, especially in women between 18 and 49 years of age. The prevalence rate is 7 per 1 million vaccinated women and occurs less frequently in women 50 years of age or older and men of any age. For this reason, they recommend monitoring for post-vaccination symptoms in women who are immunized with Janssen and who are younger than 50 years. 

In which case seek immediate medical attention?

If you have any of the following symptoms:

•Difficulty breathing

•Chest pain

•leg swelling

•persistent abdominal pain

•Severe or persistent headaches, or blurred vision

•Bruising or small spots of blood under the skin beyond the injection site

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The most common side effects are reported in people between the ages of 18 and 59.

Possible link between Johnson & Johnson vaccine and Guillain-Barré syndrome

Another possible link that was found was with Guillain-Barré syndrome, in which the immune system attacks nerves. This notice is provided by the US Food and Drug Administration (FDA). 

According to the information, this decision is made public after detecting 100 possible causes of the syndrome among the 12.8 million people who have received the vaccine in the United States, that is, it affected 0.0007% of the total.

In its notice, the FDA says that: «95% of the cases were serious and the patients had to be hospitalized. One of them died.» However, he also pointed out that the data is «insufficient to establish a causal relationship», that is, that the vaccine is directly responsible for the development of the symptom.

Given this, Johnson & Johnson issued a statement in which it mentions that it has held talks with the FDA about this adverse effect and recalled that the possibility of developing Guillain-Barré syndrome is very low, as shown by the data from the authorities. sanitary.

How to overcome the fear of injections in full vaccination by covid-19?

This syndrome is a rare disorder of the immune system that causes inflammation of the nerves and can cause pain, numbness, muscle weakness, and difficulty walking.

In the end, the FDA insists that the benefits of receiving the covid-19 vaccine are greater than the risks, and also details that those affected developed symptoms within a maximum period of 42 days after being immunized.

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Meanwhile, the WHO  found the Janssen vaccine effective and safe against the different strains and variants that have been found worldwide of Covid-19.

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