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Johnson & Johnson Krem do Twarzy - Odkryj Tajemnice Zdrowej i Promiennej Skóry
Killing Infected Cells
Beginning to kill
the infected cell
Beginning to kill
the infected cell
Beginning to kill
the infected cell
Beginning to kill
the infected cell
Beginning to kill
the infected cell
Beginning to kill
the infected cell
Beginning to kill
the infected cell
Side Effects and Adverse Events
In every clinical trial, participants are asked to record any reactions they have after receiving a medication or vaccine. Adverse reactions are considered to be medication reactions directly caused by a vaccine, whereas a side effect is a physical reaction to a medication.
Initial safety information released for the vaccine shows that the most common reactions after the vaccine was administered included:
- Injection site pain, redness, or swelling
- Fatigue
- Headache
- Muscle aches
- Nausea
- Fever
People who are immunocompromised, including those receiving immunosuppressant therapies, may have a diminished immune response to the vaccine, according to the FDA.
Risk of Guillain-Barré Syndrome
On July 13, 2021, the FDA announced another update to the Johnson & Johnson COVID-19 vaccine label regarding an observed increased risk of Guillain-Barré syndrome (GBS) during the 42 days following vaccination.
Although these findings suggest a link between the vaccine and a small increased risk of GBS, the FDA states it is insufficient to establish a causal relationship. While the FDA and CDC monitored cases of the syndrome, they emphasized that the potential benefits of vaccination continue to outweigh this very low risk.
Warning Symptoms
Seek immediate medical attention if you experience any of the following symptoms:
- Weakness or tingling, especially in the legs or arms, that appears to worsen or spread
- Difficulty walking
- Difficulty with facial movements, including speaking, chewing, or swallowing
- Double vision or inability to move the eyes
- Difficulty with bladder control or bowel function
Risk of Thrombosis With Thrombocytopenia
Healthcare providers were also warned that treating a suspected case of this condition (known as thrombosis with thrombocytopenia) with the blood thinner heparin may be harmful and alternative treatments may be needed along with a consultation with hematology specialists.
Entering a Cell
After the vaccine is injected into a person’s arm, the adenoviruses bump into cells and latch onto proteins on their surface. The cell engulfs the virus in a bubble and pulls it inside. Once inside, the adenovirus escapes from the bubble and travels to the nucleus, the chamber where the cell’s DNA is stored.
Got Questions About Johnson & Johnson's COVID-19 Vaccine? We Have Answers
A medical worker at South Shore University Hospital gets ready to administer the newly available Johnson & Johnson COVID-19 vaccine in Bay Shore, N.Y., Wednesday. Clinical research found it to be 85% effective in preventing severe disease four weeks after vaccination, and it has demonstrated promising indications of protection against a couple of concerning variants of the coronavirus. Spencer Platt/Getty Images hide caption
A medical worker at South Shore University Hospital gets ready to administer the newly available Johnson & Johnson COVID-19 vaccine in Bay Shore, N.Y., Wednesday. Clinical research found it to be 85% effective in preventing severe disease four weeks after vaccination, and it has demonstrated promising indications of protection against a couple of concerning variants of the coronavirus.
Spencer Platt/Getty Images
That's welcome news in a country that still faces high levels of circulating virus in most regions, and a demand for vaccine that still far outstrips supply.
The J&J vaccine has some significant advantages, health officials say. Unlike the Moderna and Pfizer vaccines, it can be stored for up to three months at regular refrigerator temperatures, so it's easier to distribute to more places. And you're fully vaccinated after just one dose — a welcome convenience for many recipients who dread the two-shot regimen of the Moderna and Pfizer vaccines.
An Overview of the Johnson & Johnson COVID-19 Vaccine
The Johnson & Johnson COVID-19 vaccine is no longer available in the United States after the remaining stock of the vaccine expired in May 2023 . The FDA then revoked the vaccine's EUA in June after the manufacturer requested its voluntary withdrawal.
On February 27 2021, Johnson & Johnson's vaccine against coronavirus disease 2019 (COVID-19) became the third COVID-19 vaccine to receive Emergency Use Authorization (EUA) from the FDA.
The company worked with its pharmaceutical arm Janssen to develop the vaccine under the project names Ensemble and Ensemble 2. The company enrolled participants for its late-stage in September 2020 and tested its vaccine with two different doses.
