Experts: Those Who Battled COVID May Only Need One Vaccine Shot

If you’ve already fought off a bout of COVID-19, you may only need one vaccine shot, health experts are now suggesting.

“This has been rumored for a long time, that people with preexisting disease only need a single dose to get really long-lasting immunity,” Dr. George Rutherford, an infectious disease epidemiologist at UC San Francisco, told the Los Angeles Times.

Leading vaccine providers Pfizer and Moderna each consist of two shots. Johnson & Johnson also has a vaccine that is supposed to be effective after just one shot. None of those companies have specified how many shots are needed if you’ve already battled a coronavirus infection.

“A study by scientists in Seattle and Montreal examined blood serum samples from people who had recovered from COVID-19 and from others who had never had a coronavirus infection. Samples were collected both before and after immunization with either the Pfizer or Moderna vaccine,” the LA Times relayed.

“The researchers found that in the COVID-19 survivors, a single dose of vaccine boosted antibody levels against several different coronavirus variants by up to a thousandfold — and that a second dose essentially offered no additional benefit.”

Pfizer and Moderna doses are given several weeks apart.

“But any serious consideration of this option will require more data,” according to Dr. Francis Collins, director of the National Institutes of Health. “It will also be up to the expert advisors at FDA and Centers for Disease Control and Prevention (CDC) to decide.”

Written by Sam Amico

Sam Amico spent 15 years covering the NBA for Sports Illustrated, FOX Sports and, along with a few other spots, and currently runs his own basketball website on the side,


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  1. Yes I am a real MD.

    The initial Pfizer studies ONLY allowed patients to be enrolled in their vaccine study who had demonstrated NO immunity on testing for presence of SARS-Cov19 (covid) antibodies.

    The two-dose vaccine is extremely effective (>90%) in preventing covid. But, we don’t know whether it does any good at all for patients who have had actual Covid infection to get a vaccine. Based on everything we know about immunology, and virology, having a covid infection OR being given a vaccination should be very effective if not almost completely effective in preventing future infection and/or being a “carrier” of the virus.

    What we also don’t know is how effective the vaccine is at 12 months, 18 months, or more after immunization. Most vaccines confer LONG term immunity. Sure, we get tetanus boosters after 10 YEARS, and some people (like me) need to be boosted for Hepatitis B after 15 yrs of their first immunization.

    Despite the fact that vaccines generally mean extended protection – Crazy Fauci uses this as some sort of excuse to keep people in fear and locked in their homes, along with constant threats of “variants” that have in no way been demonstrated to be resistant to vaccination or previous infections. The only way this could happen is if the “variant” strain of the virus somehow was able to delete the section of mRNA (used to create the vaccine) from its’ small genome. While perhaps not impossible -think virgin birth – it is unbelievably improbable.

    In my view we have been pursuing the wrong testing strategy. Testing people over and over and over for covid antigens when only 1 out of maybe 20 were coming up positive even at the height of the pandemic – is chasing your tail. What we needed to know is who has immunity, i.e., testing for antibodies – because the appropriate conclusion is this means you won’t get Covid and you don’t need a vaccine. Think of how many millions of doses of vaccine could have been given to people who DON”T have immunity, instead of vaccinating people who probably are already immune?

    I guess if we really knew how many people have immune status, then it’s not really effective to try and continue to scare the crap out of the populace, and continue to mandate generally useless control measures.

    • I personally don’t want to take the vaccine that was rushed out in less than a year because of the fact we don’t know how effective it is.

      And…you know….all those ‘mild’ side effects (that have caused some people I know to miss work for a few days).

    • This assumes that antibodies are the only means to be protected from this virus. Plenty of people (probably, who knows, our incurious media and scientific community don’t bother asking) have some level of T-cell immunity which makes the virus a non-starter, and they will not test positive for antibodies.

      It also ignores other interventions that have shown promise – HCQ, ivermectin, and some others. They are ignored because the Emergency Use Authorization would not by law have been granted if less expensive and effective means of treatment were known. Those common and well-tested meds were not demonized because they are dangerous. Hmm I wonder why, then?

      When you say we are pursuing the wrong strategy – yes we are, but not the way you are thinking.

      • agree that T cell immunity will play a part in your ability to protect yourself from Covid.

        When I say pursuing the wrong strategy I mean that I believe we as a nation could have done substantial testing of people for antibody status, but this has largely been ignored. It would have been an extremely helpful public health data point.

        Personally I do not think plaquenil (hydroxychloroquine), ivermectin, or azithromycin have much benefit. I have treated HUNDREDS of Covid patients. And yes, plaquenil has been in the pharmacopeia for many years and is relatively safe, it can cause issues with QT intervals if used with other agents, and can affect blood counts and liver function. But giving it for just a few days isn’t usually an issue. I WILL say that I dislike having non-physicians (especially media types and politicians) decide what medicines are to be used and which medicines are not. That should be up to the doctors and scientists.

        Just like with AIDS, we have politicized a medical problem. Now, wearing a mask is a POLITICAL statement, it has nothing to do with limiting the spread of covid. It is simply an armband that announces your political allegiance.

  2. Experts also said that Hydrochloroquine was a dangerous drug even though it’s been approved for use for more than 60 years to treat Lupus, Rheumatoid Arthritis and to prevent Malaria….. sorry, I have never participated in a clinical trial and I don’t plan on starting anytime soon.

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