Global Statistics

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Updated on August 12, 2022 5:08 am
All countries
Updated on August 12, 2022 5:08 am
All countries
Updated on August 12, 2022 5:08 am

Global Statistics

All countries
Updated on August 12, 2022 5:08 am
All countries
Updated on August 12, 2022 5:08 am
All countries
Updated on August 12, 2022 5:08 am
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How Long Do Covid Vaccine Side Effects Last

Mrna Allergic Reactions And Future Doses

How long do the side effects from the COVID-19 vaccine last?

Its possible for most people who experienced an allergic reaction to a COVID-19 vaccine to safely receive future doses of that same vaccine. This includes with an mRNA vaccine.

The National Advisory Committee on Immunization has recommendations for people who experienced a severe immediate allergic reaction after a first dose of an mRNA COVID-19 vaccine. People with a history of a severe immediate allergic reaction after a first dose of an mRNA COVID-19 vaccine should:

  • consult with an allergist or another appropriate health care provider before receiving future doses of an mRNA COVID-19 vaccine
  • receive future doses of an mRNA COVID-19 vaccine in a controlled setting with someone who is experienced in managing anaphylaxis
  • be observed for at least 30 minutes after vaccination
  • the normal observation period for people who havent experienced a severe immediate allergic reaction after vaccination is 15 minutes

If you know youre allergic to a component of an mRNA COVID-19 vaccine, consult with an allergist or your health care provider. It may still be possible for you to receive these vaccines.

How Long Does The Pfizer Vaccine Last This Is One Thing A Lot Of People Are Searching For And So Here Is All About The Pfizer Vaccine & Side Effects

Pfizer vaccine

The COVID-19 vaccination drive has finally begun giving us a fighting chance against the virus. A lot of people have already taken the vaccine shots and some are still planning for it. With so many vaccines emerging in the market it has also become easier for health experts to evaluate their effectiveness. One of these popular vaccines is the Pfizer vaccine. However, many people are primarily wondering about how long does the Pfizer Vaccine last. If you have been wondering about the same, then do not worry, here is all you need to know about it.

How Long Are Covid

  • John LetzingDigital Editor, Strategic Intelligence, World Economic Forum
    • Experts dont know yet how long COVID-19 vaccines will be effective.
    • Studies of two of the most prominent COVID-19 vaccines suggest they remain effective for at least six months.
    • The CEO of one vaccine maker said immunity may start to fade within a year.

    One of the most pressing questions about COVID-19 vaccines is how long they can provide protection.

    It may be decades, or a matter of months the data necessary to figure that out is accumulating every day. Pfizers CEO said this week that after a full regimen of doses immunity will probably start to fade within a year. According to the WHO, its simply too early to know the exact duration of COVID-19 vaccines because both the disease and the science deployed against it arent yet fully understood.

    Some early evidence is promising. The viruses that caused MERS and SARS are closely related to the virus behind COVID-19, and acquired immunity to both of those diseases has proved relatively durable.

    In terms of COVID-19-specific research, Pfizer and BioNTech said earlier this month that their vaccine remains effective for at least half a year after the second dose, and a study of Modernas version reflected a similar duration. Immunization efforts will have to play out further before we can know more for certain.

    For more context, here are links to further reading from the World Economic Forum’s Strategic Intelligence platform:

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    Experts Explain How Long Symptoms From The Covid

    Like many other vaccines, you may experience side effects after getting the COVID-19 vaccine. Of course, because this particular vaccine is so new, you’re probably eager to know what you can expect after getting vaccinated. For example, how long do the COVID-19 vaccine side effects typically last and, if they do linger or intensify, at what point should you contact your doctor?

    First things first: let’s make sure you know what side effects to expect. “The most common symptom is soreness at the vaccination site, following the first or second shot, that comes and goes over the course of a couple of days,” Prabhjot Singh, MD, PhD, chief medical and scientific advisor of CV19 CheckUp, told POPSUGAR, noting that this is common with any vaccination. Dr. Singh added that many people will also experience headaches, chills, and muscle and joint pain and these are all much more common after the second dose. They’re also a sign that the vaccine is working.

    “These are positive signs of your body’s immune system revving up,” Dr. Singh explained. “During this period, you can take an over-the-counter medication for your symptoms until they pass.”

    Are Side Effects More Likely After The First Or Second Dose

    What to expect after a COVID

    With the two-shot vaccines, people are more likely to report side effects after their second dose, experts have said.

    According to the CDC, side effects after your second shot “may be more intense than the ones you experienced after your first shot.”

    “These side effects are normal signs that your body is building protection and should go away within a few days,” the CDC states.

    In trials of both the Moderna and Pfizer vaccines, more people experienced side effects after the second dose.

    But that doesn’t mean that you shouldn’t get your second shot if you get side effects after your first, experts say.

    The CDC also noted that both shots are needed.

    “The Pfizer-BioNTech COVID-19 Vaccine and Moderna COVID-19 Vaccine both need 2 shots in order to get the most protection,” the CDC states. “You should get the second shot even if you have side effects after the first shot, unless a vaccination provider or your doctor tells you not to get it.”

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    If You Received A Booster Shot

    So far, reactions reported after getting a booster shot were similar to those after the two-dose or single-dose primary series. Fever, headache, fatigue and pain at the injection site were the most commonly reported side effects, and overall, most side effects were mild to moderate. However, as with the two-dose or single-dose primary series, serious side effects are rare, but may occur.

    How To Report Side Effects

    Discuss any symptoms experienced after a COVID-19 vaccination with your healthcare provider and they can report to Queensland Health on your behalf from the link below.

    This information will also be reported to the TGA.

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    What Can We Do In The Meantime

    Its critical that as many people as possible get their primary vaccination shots, Dr. Meyer says. In December 2021, the CDC endorsed a recommendation to choose the Pfizer-BioNTech or Moderna vaccines, in response to concerns over rare blood clots associated with Johnson & Johnsons shot.

    The good news is that Pfizer and Moderna made their mRNA vaccines easy to update, Dr. Meyer says. It just has to be tweaked a little bit, like having a computer code that needs a couple of minor edits. Its relatively easy to build. Its also important to follow the CDCs recommendations on booster shots.

    The hope is that the case rate will go down and more people will be less likely to be exposed. That advice is especially important with the Delta and Omicron variants, which have proven to be more contagious than previous variants, prompting the CDC to issue stricter guidelines calling for everyonevaccinated or notto wear masks indoors in areas of high transmission.

    Even if Delta and Omicron go away, I think those preventive measures will become even more important as the year passes, because potentially your immunity is going to wane over time, Dr. Meyer says.

    What Should I Do If The Symptoms Last Longer Than 72 Hours

    You Ask. We Answer | How long will any COVID-19 vaccine side effects last?

    If symptoms persist for more than a few days, Dr. Singh recommends contacting your primary care doctor to address your concerns. “At the end of the day, you know your body best and can decide when something feels wrong,” he said. “In general, any symptoms that persist longer than two or three days or majorly impede your quality of life are worth a phone call to your primary care provider to rule out any complications.”

    Dr. Cadet noted that, in addition to the duration of the side effects, certain symptoms mean you should get in touch with your doctor right away. “Contact your doctor immediately if symptoms last longer than a few days, if you’re experiencing neurological symptoms, persistent lymph node swelling, any severe allergic symptoms like shortness of breath, or any cardiac or pulmonary symptoms,” Dr. Cadet advised. She added that people with preexisting conditions like lung or heart disease and immunocompromised patients should be especially vigilant about monitoring symptoms and getting in touch with their providers if anything feels off.

    POPSUGAR aims to give you the most accurate and up-to-date information about the coronavirus, but details and recommendations about this pandemic may have changed since publication. For the latest information on COVID-19, please check out resources from the WHO, the CDC, and local public health departments.

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    Could One Type Of Vaccine Last Longer Than Another

    No one knows for sure whether one vaccine will last longer than another. Instead, one question to ask might be whether Pfizer and Modernas mRNA vaccines, which had an especially robust response, also have potential to be the longest lasting, Dr. Meyer says.

    The two mRNA vaccines use a relatively new technology that delivers a tiny piece of genetic code from the SARS CoV-2 virus into the body to provide instructions for making copies of spike proteins that will stimulate an immune response. The Johnson & Johnson vaccine takes a more traditional approach that involves an inactive adenovirus .

    The mRNA vaccines are a novel tool that hasnt been widely rolled out with any other virus, and so far in clinical trials they have had a much more robust immune response, Dr. Meyer says. Whatever the answer to the question of which will last the longest, the Pfizer and Moderna mRNA vaccines work similarly, so it seems likely that they will have a similar impact on immunity, she says.

    Its also possible that the length of immunity is somewhat dependent on the patient, Dr. Meyer adds. While more research is needed, there could be variations in immune responses from person to person based on such factors as age, medical conditions, and medications they may be taking. Overall, though, the mRNA vaccines appear to be so effective that they level the playing field in terms of achieving protection from infection, says Dr. Meyer.

    Ingredients That Are Not Used In Covid

    The above table lists ALL ingredients in the Pfizer-BioNTech COVID-19 vaccine. There are NO ingredients in this vaccine beyond what is listed in the table. The Pfizer-BioNTech COVID-19 vaccine has:

    • No preservatives like thimerosal or mercury or any other preservatives.
    • No antibiotics like sulfonamide or any other antibiotics.
    • No medicines or therapeutics like ivermectin or any other medications.
    • No tissues like aborted fetal cells, gelatin, or any materials from any animal.
    • No food proteins like eggs or egg products, gluten, peanuts, tree nuts, nut products, or any nut byproducts .
    • No metals like iron, nickel, cobalt, titanium, rare earth alloys, or any manufactured products like microelectronics, electrodes, carbon nanotubes or other nanostructures, or nanowire semiconductors.
    • No latex. The vial stoppers used to hold the vaccine also do not contain latex.

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    How Long Do Side Effects Of Second Covid

    The COVID-19 vaccination drive is being conducted at full throttle in Singapore and nearly 4.4 million people have been given the first dose so far. Meanwhile, 18.9 lakh people were fully vaccinated on the island by June 12, 2021. Thats about 33 per cent of the population.

    But the Covid-19 vaccination does have its own side effects once you get the jab. While some may feel mild effects of it like fever, rashes, or body pain. Others may see more adverse effects of it that can be life threatening.

    Thankfully, only 0.004 per cent of the vaccinated population in Singapore is suspected to suffer adverse effects of the Covid-19 vaccine doses, a recent report states. Thats about 157 people out of 3.7 million Pfizer-BioNTech and Moderna jabs that were administered till May 23, 2021. These people had reactions severe enough to be life risk and resulted in hospitalisation, among other serious conditions.

    However, no deaths have been linked to the vaccine, the Health Sciences Authority announced on June 11. With well over half the population receiving their first dose and gearing up for the second jab, its important to know about the effects of the second Covid vaccine.

    How long do side effects of second covid vaccine last? And what happens to the body?

    Post Vaccine Symptom Check

    What to expect after a COVID

    The Ministry of Health has launched the Post Vaccine Symptom Check, a mobile-based survey that will help monitor reactions to the Pfizer COVID-19 vaccine in New Zealand.

    Up to 10 percent of New Zealanders who receivea dose of the PfizerCOVID-19vaccine will be randomly selectedto participate in the survey.

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    These Vaccines Protect People Very Well From Serious Disease And Death But They May Not Stop The Spread

    These new vaccines protect people very well from developing symptoms of COVID-19, and they’re near-perfect at eliminating death.

    “But if you want to get back to normal, just you or a few other people being vaccinated doesn’t change the dynamics of the outbreak,” Fauci said.

    If a majority of people choose not to get vaccinated, this disease will continue to spread to healthy people who aren’t vaccinated. That’s why it’ll still be important for everyone to social distance and wear a mask for at least several months to come.

    How Long Does The Pfizer Vaccine Last

    According to a recent announcement made by Pfizer on April 1, its vaccine offers six months of strong protection against symptomatic COVID-19. The organisation’s phase 3 trial revealed that the Pfizer vaccine was 91.3% effective at preventing COVID-19 for up to six months after the second dose and 100% effective against severe disease, as defined by the CDC. Moderna and Pfizer both have similar results because both the vaccines are based upon a single technology called mRNA.

    The studies were conducted before the new variants, or versions, of the coronavirus, had emerged and started to spread in various countries around the world. The new variants or mutations of the COVID19 virus which were not part of the report include B.1.1.7, B.1.351 and P.1 variant strains that originated in the United Kingdom, South Africa and Brazil, respectively. So, as the trials were conducted differently at different times, efficacy rates cannot be directly compared among the vaccines.

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    Can My Child Get The Covid

    According to the CDC, your child may get other vaccines when they go in for their COVID shot without waiting 14 days between appointments. Flu shots can be given to children ages 6 months and older.

    The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health provider regarding any questions you may have about a medical condition or health objectives.

    What This Means For You

    What Are the Long-term Side Effects of COVID-19 Vaccine?

    All the doctors we spoke to agreed that COVID-19 vaccine side effects in children are generally mild and manageable. They also assured parents that any uncomfortable side effects can be effectively managed with over-the-counter medication, and at-home comforts like cold compresses, rest, and extra fluids.

    If you have any questions about the vaccines or their side effects, you should contact your childs pediatrician. They know your child and their health history and can address any continued questions or concerns you may have.

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    Booster Effectiveness Wanes After 4 Months But Showed Sturdy Protection Against Hospitalization Cdc Study Shows


    Follow this story and more bysigning up for national breaking news email alerts.

    Booster shots of the Pfizer-BioNTech and Moderna vaccines lose substantial effectiveness after about four months but still provided significant protection in keeping people out of the hospital during the omicron surge, according to a study published Friday by the Centers for Disease Control and Prevention.

    Researchers found the booster shots remained highly effective against moderate and severe covid-19 for about two months after a third dose. But their effectiveness declined substantially after four months, suggesting the need for additional boosters, the study said.

    The vaccine was 91 percent effective in preventing a vaccinated person from being hospitalized during the two months after a booster shot, the study found. But after four months, protection fell to 78 percent.

    Protection faded more in preventing trips to urgent care and emergency departments, falling from 87 percent in the first two months to 66 percent after four months. After more than five months, vaccine effectiveness fell to roughly 31 percent, but researchers noted that estimate was imprecise because few data were available for that group of people.

    Protection from the two-dose vaccine regimen has declined since omicron became dominant, but a third dose revs the immune system back up to robust levels to prevent moderately severe and severe disease, an earlier CDC study found.

    Dan Keating contributed to this report.

    Potential Adverse Effects Of Covid

    Some of the most frequent adverse effects of the Covid-19 vaccine included anaphylaxis. There were 26 such cases, all of which recovered after receiving medical treatment. The rate of anaphylaxis due to the vaccine is 0.85 cases per 100,000 doses of the vaccine, which is consistent with the worldwide incidence rates.

    In addition to anaphylaxis, there were reports of 23 cases of severe allergic reactions. The HSA listed the following as some of them:

    • Breathing difficulty

    • Seizures

    • Tinnitus and infections

    The individuals who experienced such reactions have recovered or are in the process to do so. The authorities are closely monitoring their health.

    The authorities also reported about 45 cases related to Bells palsy. The condition causes temporary weakness or paralysis of facial muscles. The patients did recover from the same and most cases werent serious, says the HSA. The incidence rate for Bells Palsy in Singapore is about 3.35 people per 100,000 per month.

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