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The Food and Drug Administration ( FDA ) is expected to announce a newfangled admonition for Johnson & Johnson’sCOVID-19 vaccine , following preliminary reports of a rare nerve condition that develop in a very small fraction of citizenry who receive the shot , harmonize to recent newsworthiness theme .

But regulator say that the risks of developing this rare condition , known asGuillain - Barré syndrome , in which the immune systemattacks the nerve , is very low-toned and the benefits of receiving the vaccine still greatly outbalance the danger , allot to The Washington Post .

An image of two vials and a syringe in front of Johnson and Johnson�s Janssen pharmaceutical companies sign.

Through a symptom monitoring organisation called the Vaccine Adverse Event Reporting System , regulators have found 100 suspected causa of Guillain - Barré syndrome , but the story are considered preliminary , grant to The New York Times .

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In the U.S. , more than 12.8 million hoi polloi have been vaccinated with Johnson & Johnson ’s COVID-19 vaccinum , agree to the Centers for Disease Control and Prevention ( CDC ) . Still , the hazard of evolve the condition may be about three to five fourth dimension high in those who receive the Johnson & Johnson vaccine as liken with the general U.S. universe , according to the Times . Among the oecumenical U.S. universe , about 3,000 to 6,000 people are think to explicate the condition each yr , according to the Post .

an MRI scan of a brain

The warning will likely be added to the fact sheets that are given to health care provider and patients .

The cases were mainly reported about two weeks after vaccination and mainly among males ages 50 year and older , according to a CDC assertion , the Times reported .

Guillain - Barré syndrome can cause muscle weakness and sometimes paralysis , and symptom typically last for a few hebdomad to a pair years , accord to the CDC . While Guillain - Barré has led to deaths and permanent nerve damage in some , most people fully recover , according to the CDC.Virusesand bacterium are typically the culprit in triggering the syndrome , but seldom , certain vaccines have also triggered it , according to the CDC .

illustration of a measles virus particle depicted in blue, plum and grey

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A healthy human brain under an MRI scan.

" It ’s not surprising to find these types of untoward events associated with vaccination , " Dr. Luciana Borio , a former act chief scientist at the FDA , tell the Times . The data so far show that the vaccine ’s benefits " continue to immensely outweigh the peril . "

The newsworthiness is another blow for Johnson & Johnson ’s COVID-19 vaccinum , which was put on a abbreviated interruption in April in the U.S. while experts discussed type of rare line coagulum that occurred among a tiny fraction of people who received it . Administration of the vaccine resume after an consultive panel concluded that its benefits preponderate its risks , Live Science previously reported .

No known contact has been found between the syndrome and the other two COVID-19 vaccine deal in the U.S. , those develop by Moderna and Pfizer / BioNTech , which use a altogether different engineering science platform .

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Originally print on Live Science .

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A young woman in a surgical mask sit in a doctor�s office as a doctor cleans her arm for a vaccination

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