COVID-19 vaccine: four years later, the list of persistent symptoms continues to grow

Return to the topic of Covid-19 (1/10)

In December 2019, a new virus that emerged in China spread rapidly around the world, alarming the highest authorities, including the World Health Organization (WHO).
A highly contagious infectious disease called COVID-19 emerged , triggering an unprecedented pandemic.

The first cases diagnosed in France (2/10)

In France, the first cases were diagnosed at the end of January 2020, and the first deaths caused by this new virus were recorded about twenty days later.

The lockdown (3/10)

A national lockdown was imposed on March 17, 2020. It was lifted just under two months later, but mask-wearing became mandatory.
The authorities, in collaboration with the Pasteur Institute , began planning a vaccination campaign .

Many questions remain unanswered (4/10)

Several pharmaceutical companies ( Pfizer, AstraZeneca, Moderna, Johnson & Johnson , among others) developed and proposed their vaccines in record time.
This generated numerous questions and debates surrounding their safety and efficacy.

Confirmed side effects (5/10)

After administering millions of vaccines and with almost five years of perspective, medical specialists have reported several adverse effects such as high blood pressure , myocarditis/pericarditis , allergic reactions or heavy menstrual bleeding .

Serious side effects? (6/10)

Even today, many people—including scientists—question that the COVID-19 vaccine causes multiple illnesses.
However, a study conducted a few months ago showed that this vaccine could cause serious side effects .

The study was conducted by the Global Vaccine Data Network , with the participation of more than 99 million people in eight countries: Argentina, Australia, Canada, France, Denmark, Finland, New Zealand, and Scotland .
The results were published in the scientific journal Vaccine .

Words from the researchers (8/10)

“Most of those vaccinated were between 20 and 59 years old, and France administered the largest number of doses,” the researchers explained, specifying that the vaccines came from Pfizer, Moderna, and AstraZeneca .
These results did not reassure healthcare professionals, much less patients.

Guillain-Barré syndrome and venous thrombosis (9/10)

Researchers observed an increase in cases of Guillain-Barré syndrome and cerebral venous thrombosis after administration of the first dose of the AstraZeneca vaccine .

Guillain-Barré syndrome is primarily characterized by muscle weakness , while venous thrombosis involves the formation of a blood clot in a vein , obstructing circulation to the rest of the body.

French basketball player Victor Wembanyama suffered from this condition a few months ago, which forced him to end his season.

More research is needed (10/10)

In addition, all the vaccines significantly increased the risk of myocarditis and pericarditis , inflammations of the myocardium (the muscle responsible for heart contraction and blood circulation throughout the body).
“Other problems have been identified that require further investigation,” the journal notes.

The researchers emphasize that more research is needed to determine the relationship between the vaccine and these side effects.