After an 11-day pause on the administration of the Johnson & Johnson single-dose vaccine in the US, the Food and Drug Administration (FDA) lifted the ban on the Janssen Covid-19 vaccine earlier this week. 

The use of the J&J vaccine was paused after six cases of a rare and severe type of blood clot were reported in people who were administered the jab. 

What Were The Side-Effects? 

According to the CDC’s (Centre of Disease Control) official website, here is a list of the side effects of the Janssen Covid-19 Vaccine:

  1. When the vaccine is injected into the arm, you experience pain, redness as well as swelling.
  2. As far as the remaining body is concerned, you feel tired, and suffer from headaches and muscle pain. Apart from this, the three other side effects include – chills, fever and nausea.

However, one must keep in mind that these are just the ‘possible’ side effects. 

According to the CDC, these side effects begin developing within one or two days of taking the vaccine dose and the person might have to deal with them only for a few days. There is no need to worry as the Johnson & Johnson vaccine does not have any long-lasting side effects.

Why Was The Vaccine Paused? 

The CDC and FDA both advised suspending the use of the J&J vaccine immediately while six blood clot reports were undergoing investigation. Till the time, 6.8 million doses of the J&J Janssen Covid-19 vaccine had been administered in the US.

All six blood clot reports were those of women belonging to the age group of 18-48, with symptoms showing 6 to 13 days post the injection of the vaccine. The FDA even confirmed that blood clotting complications had led to one patient’s demise, while another patient is still suffering and is in a serious condition.

However, on April 15, the European Medicines Agency said in a press release, “While its review is ongoing, EMA remains of the view that the benefits of the vaccine in preventing COVID-19 outweigh the risks of side effects.”   

FDA and CDC Lift Recommended Pause

After the suspension of the use of the J&J vaccine, both FDA and CDC carried out extensive tests to review the safety of the Janssen vaccine. 

Medical and scientific teams at the FDA and CDC examined available data to assess the risk of thrombosis involving the cerebral venous sinuses, or CVST (large blood vessels in the brain), and other sites in the body (including but not limited to the large blood vessels of the abdomen and the veins of the legs) along with thrombocytopenia, or low blood platelet counts. 

Following two meetings of the CDC’s Advisory Committee on Immunization Practices, the two agencies have determined that the recommended pause regarding the use of the Johnson & Johnson (Janssen) COVID-19 Vaccine in the U.S. should be lifted and use of the vaccine should resume.

The FDA has determined that the available data show that the vaccine’s known and potential benefits outweigh its known and potential risks. Both FDA and CDC both confirmed that this vaccine is safe and effective in preventing COVID-19.

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