8/8/2023 0 Comments Flu shot side effect handHospitalized Adult Influenza Vaccine Effectiveness Network (HAIVEN).Randomized Assessment of Influenza Vaccine Efficacy Network (RAIVEN).Respiratory Virus Transmission Network (RVTN).Investigating Respiratory Viruses in the Acutely Ill (IVY).CDC’s Vaccine Effectiveness Networks plus icon.Historical Reference of Vaccine Doses Distributed.Frequently Asked Questions on Vaccine Supply.Vaccine Supply & Distribution plus icon.Flu Vaccine and People with Egg Allergies.Selecting Viruses for the Seasonal Influenza Vaccine.Live Attenuated Influenza Vaccine (LAIV)/Nasal Spray Vaccine.Who Should & Who Should NOT Get Vaccinated.Flu and COVID-19 Vaccine Coadministration.Mixing Oseltamivir Capsules for Children.Adults with Chronic Conditions plus icon.Who is at Higher Risk of Flu Complications plus icon.2022-2023 Preliminary In-Season Burden Estimate.Reconstruction of the 1918 Influenza Pandemic Virus.Understanding Influenza Viruses plus icon.Learn more about vaccine safety monitoring at Vaccine Safety Monitoring at CDC. Vaccine Safety Datalink (VSD): A collaboration between CDC and eight integrated health care organizations which conducts ongoing vaccine safety monitoring and research.Generally, VAERS reports cannot determine if an adverse event was caused by a vaccine, but these reports can help determine if further investigations are needed. Reports are welcome from all concerned individuals: for example, patients, parents, health care providers, pharmacists and vaccine manufacturers. Anyone can report possible vaccine side effects to VAERS. Vaccine Adverse Event Reporting System (VAERS): an early warning system that helps CDC and FDA monitor problems following vaccination.CDC uses two primary systems to monitor the safety of flu vaccines: How do public health authorities investigate cases of GBS?ĬDC and the Food and Drug Administration (FDA) closely monitor the safety of vaccines approved for use in the United States. If there is an increased risk of GBS following flu vaccination it is small, on the order of one to two additional GBS cases per million doses of flu vaccine administered. The data on the association between GBS and seasonal flu vaccination are variable and inconsistent across flu seasons. The background rate for GBS in the Unites States is about 80 to 160 cases of GBS each week, regardless of vaccination. Top of Page How common is GBS? How common is it among people who have been vaccinated against flu? The incidence of GBS increases with age, and people older than 50 years are at greatest risk for developing GBS. Who is at risk for developing GBS?Īnyone can develop GBS however, it is more common among older adults. On very rare occasions, they may develop GBS in the days or weeks after getting a vaccination. People also can develop GBS after having the flu or other infections (such as cytomegalovirus and Epstein Barr virus). Infection with the bacterium Campylobacter jejuni is one of the most common risk factors for GBS. The exact cause of GBS is unknown, but about two-thirds of people who develop GBS experience symptoms several days or weeks after they have been sick with diarrhea or a respiratory illness. In the United States, an estimated 3,000 to 6,000 people develop GBS each year. In very rare cases, people have died of GBS, usually from difficulty breathing. Most people recover fully from GBS, but some people have long-term nerve damage. GBS can cause symptoms that usually last for a few weeks. Guillain-Barré syndrome (GBS) is a rare disorder in which a person’s own immune system damages their nerve cells, causing muscle weakness and sometimes paralysis.
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