So you bought the Johnson & Johnson COVID vaccine: What a booster means for you

CDC recommends boosters for Johnson & Johnson: What to know

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For probably the most up-to-date information and details about the coronavirus pandemic, go to the WHO and CDC web sites.

The US Facilities for Illness Management and Prevention beneficial booster pictures for all recipients of Johnson & Johnson’s coronavirus vaccine final month. The CDC says everybody who acquired the one-dose shot can get one other dose of Johnson & Johnson not less than two months after they have been vaccinated, or they will get a booster shot of Pfizer or Moderna. That is as a result of the CDC and US Meals and Drug Administration have additionally approved a heterologous booster dose for all adults who qualify for one, which means individuals can now “combine and match” vaccines for a booster and are not tied to their authentic vaccine. 

Learn extra: CDC says individuals can “combine and match” boosters: What to know

Fewer individuals have gotten Johnson & Johnson’s one-dose vaccine than Pfizer or Moderna. About 15 million individuals have been vaccinated with J&J, in keeping with the CDC, a comparatively small quantity in contrast with these vaccinated with Pfizer or Moderna. That is partly as a result of it was obtainable within the US later than each mRNA vaccines, manufacturing points resulted in hundreds of thousands of wasted doses, and use was paused briefly in April after considerations over a hyperlink to a uncommon however critical blood clotting dysfunction (principally in ladies underneath age 50) that is not seen with the mRNA vaccines. 

Individuals who acquired Moderna or Pfizer’s COVID-19 vaccines are eligible for a booster in the event that they’re an grownup prone to extreme COVID-19, both due to their age, underlying medical situation or the place they dwell or work. The truth that boosters are beneficial for all individuals who acquired Johnson & Johnson relies on analysis displaying it is much less efficient than Pfizer and Moderna, with some consultants arguing Johnson & Johnson ought to’ve been a two-dose sequence from the start. 

Those that acquired the one-dose J&J vaccine, together with immunocompromised individuals, have been initially left in another country’s booster shot plans due to a scarcity of information on the one-dose vaccine. The booster rollout usually is a controversial one — members of the World Well being Group have known as on nations such because the US to gradual the method of giving booster doses to people who find themselves already vaccinated as a result of a lot of the world stays unvaccinated in opposition to COVID-19. As few as 4.5% of individuals in low-income nations have had a coronavirus vaccine, in keeping with Our World in Information.

Even because the CDC recommends boosters for a big swath of vaccinated adults within the US, all three COVID-19 vaccines stay protecting in opposition to extreme illness and demise. Earlier than the CDC’s official suggestion, some committee members argued we’re dropping sight of what a vaccine is designed to do, which isn’t to stop all infections, however to guard in opposition to extreme illness. 

Because the booster marketing campaign rolls on, this is what to know for those who qualify for a booster since you acquired the J&J. 


The definition of “absolutely vaccinated” hasn’t modified. You are thought of absolutely vaccinated after two doses of Moderna’s or Pfizer’s vaccine, or one dose of Johnson & Johnson’s.

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Does it need to be one other shot of J&J?

No. You may get any of the three COVID-19 vaccines obtainable, which means your alternative can rely in your private circumstances or choice. Each Johnson & Johnson’s and Pfizer’s boosters are the identical dosage as the unique sequence, whereas Moderna’s booster is a smaller dose than its authentic sequence. 

Nonetheless, some committee members expressed considerations over recommending a second dose of Johnson & Johnson to ladies underneath age 50, who’re at a better threat for the very uncommon but additionally very critical blood clotting dysfunction related to the vaccine (these clots require completely different remedy than the clots that happen from issues comparable to taking contraception tablets or using on an airplane). 

Importantly, this threat is not related to the Pfizer or Moderna vaccines. There may be additionally the uncommon threat of a neurological dysfunction linked to Johnson & Johnson, occurring principally in older males. In medical steering issued this week, meant to assist stroll eligible adults by means of selecting a booster dose, the CDC stated that sufferers with a historical past of Guillain-Barré syndrome ought to “talk about the supply of mRNA COVID-19 vaccines” for cover in opposition to the coronavirus. The CDC additionally issued steering that ladies underneath age 50 “must be made conscious of the uncommon threat of TTS after receipt of the Janssen COVID-19 vaccine and the supply of different at present FDA-approved or FDA-authorized COVID-19 vaccines.”

CDC committee member Dr. Pablo Sanchez, stated that whereas he agrees individuals who acquired Johnson & Johnson ought to get a second dose, “I would like that these people get an mRNA vaccine,” he stated. 

Though knowledge on “mixing vaccines” within the US is restricted, it is been performed for months in different nations, the place some people have acquired a dose of AstraZeneca (a viral vector vaccine like Johnson & Johnson) mixed with a dose of mRNA vaccine. Preliminary knowledge on mixing COVID-19 vaccines for boosters within the US discovered that whereas all three COVID-19 vaccines used as boosters for J&J recipients elicited sturdy responses, Moderna’s and Pfizer’s boosters elicited a lot stronger antibody responses — 76-fold and 35-fold, respectively — than a second dose of Johnson & Johnson (four-fold). Whereas spectacular, antibody response is not the total image of immunity. 

What if I am immunocompromised and acquired J&J? 

Immunocompromised individuals who acquired Johnson & Johnson and are “reasonably or severely immunocompromised” ought to get a booster of any COVID-19 vaccine not less than two months after the one dose. This is identical suggestion for everybody else who acquired Johnson & Johnson, however given that folks with a suppressed immune system often aren’t capable of mount as sturdy an immune response, it could be particularly necessary they search out a second dose of COVID-19 vaccine. 

Though only a few immunocompromised individuals doubtless acquired Johnson & Johnson in comparison with Moderna or Pfizer, a CDC committee member stated, those that did have been uncared for within the CDC’s preliminary suggestion for an additional dose for reasonably or severely immunocompromised of us for lack of information. (Immunocompromised individuals have been eligible for his or her first dose of COVID-19 vaccine earlier than most people, which suggests they doubtless acquired Moderna or Pfizer, which have been obtainable sooner within the pandemic.) This week, the CDC issued steering that Moderna or Pfizer recipients who’re reasonably or severely immunocompromised could obtain a fourth shot or booster not less than six months after their third shot. 

When can I get a booster? 

No less than two months after your authentic vaccination, per the advice. With the FDA authorization and official CDC suggestion, most pharmacies, clinics and physician’s places of work ought to be capable of give out boosters, relying on what they’ve in inventory, in fact. 

Getting an authentic sequence of any COVID-19 vaccine stays the very best factor individuals can do to guard in opposition to extreme COVID-19 illness. Unvaccinated individuals are greater than 10 occasions extra more likely to be hospitalized with or die from COVID-19 than absolutely vaccinated individuals, in keeping with the CDC. About 20% of US adults have not but acquired a COVID-19 shot

The knowledge contained on this article is for instructional and informational functions solely and isn’t supposed as well being or medical recommendation. All the time seek the advice of a doctor or different certified well being supplier concerning any questions you could have a couple of medical situation or well being targets.

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