COVID-19 vaccines and blood clots – a review of current science

COVID-19 vaccines blood clots

There have been extremely rare reports about blood clots being related to the JNJ and AstraZeneca COVID vaccines. Although science does not why this happens, researchers continue to explore why these COVID-19 vaccines might be linked to blood clots (thrombus).

A new review of the current research clears up some of the mystery, but, unfortunately, opens up some new questions. This article will examine the science, at least as far as we know, behind these blood clots and the two COVID-19 vaccines.

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COVID-19 vaccines herd immunity – ignore anti-vaxxer disinformation

person holding syringe

The only way to herd immunity to this pandemic is with COVID-19 vaccines, but still, people are refusing the vaccine, not only in the USA but also throughout the world. But the anti-vaccine world is doing everything it can to sow fear, uncertainty, and doubt about these vaccines.

Herd immunity is a form of indirect protection from infectious diseases that can occur when a sufficient percentage of a population has become immune to an infection, by vaccines or infection, which reduces the risk of infection by members of the community who lack that immunity. Although we don’t have a solid estimate for herd immunity levels for COVID-19, it is estimated to be between 60 and 75%.

Without herd immunity, there are a number of consequences. People who cannot get vaccinated or are immunocompromised will always be at risk of contracting the disease. The virus will continue to be transmitted, which will lead to more dangerous mutations. And there are local outbreaks of COVID-19 across the world that could bring the disease back to the USA and many other countries where we don’t reach herd immunity.

A large group of COVID-19 deniers and anti-vaxxers want to create herd immunity “naturally” instead of using vaccines – that is essentially genocide since so many people will die or suffer long-term consequences.

We need to get the COVID-19 vaccines into as many people as we can so that we can reach herd immunity. Right now, about 25% of Americans may refuse to get the vaccine, and that means we probably cannot reach herd immunity.

mbedThis article is just a list of my articles that can be useful in your arguments with the anti-vaxxers and individuals who are “on-the-fence.”

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JNJ COVID-19 vaccine and blood clots – still safe and effective

jaj COVID-19 vaccine clots

Like the earlier story about the AstraZeneca COVID-19 vaccine and blood clots, the JNJ (Johnson and Johnson) vaccine is being examined for a potential link to an extremely rare blood clotting disorder. The US Food and Drug Administration and the CDC have placed a “pause” on the use of the vaccine. They have not banned it. They have not recalled it.

Right at the top, I want to state that the JNJ COVID-19 vaccine is safe and effective by any rational measurement. My daughters and their significant others all received the vaccine over the weekend after I recommended it, despite the blood clots issue.

I want to review what is happening here. I hope that it helps, in some small way, to allay the fears from this issue.

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AstraZeneca COVID-19 vaccine and thrombosis – should we worry?

AstraZeneca COVID-19 vaccine thrombosis

I have previously written about whether thrombosis (formation of blood clots) is linked to the AstraZeneca COVID-19 vaccine – my conclusion was that they probably weren’t. But still, there are nagging anecdotes and government decisions that may concern those of you who are looking to get the vaccine.

Recently, the government of Quebec recently decided that the AstraZeneca vaccine will only be used on individuals 55 years and older. Of course, this caused some parts of the anti-vaccine world to froth at the mouth claiming the vaccine isn’t safe.

I think that many of the adverse events that are claimed to be associated with any of the COVID-19 vaccines involve the post hoc ergo propter hoc fallacy, which states that because one event precedes another event, they must be linked. It is entirely possible that thrombosis occurs after vaccinations because of random chance rather than actual correlation (let alone causation).

Because the AstraZeneca COVID-19 vaccine is one of the four main vaccines (along with those from Pfizer, Moderna, and JNJ) to be given in the USA, Canada, the EU, Australia, and New Zealand, I want to make sure that the potential of a causal link to thrombosis events are given a thorough analysis. I especially want to focus on why the Government of Quebec decided to make this change – and it’s a lot more complicated than the narratives pushed by the anti-vaccine crowd.

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