Tag Archives: vaccine

How Long Does COVID Immunity Last?

Now that the COVID epidemic is receding in the United States, a critical question is how long will the immunity to the disease persist in patients who have recovered from the infection or in subjects who have been vaccinated against it? A study published in Nature suggests that immunity may last a lifetime. The study…

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Thrombotic Thrombocytopenia Associated With the AstraZeneca Vaccine

The COVID-19 vaccine developed by AstraZeneca (AZ) has been widely used in Europe, but not in the US. Its technical nomenclature is a recombinant adenoviral vector encoding the spike protein antigen of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (ChAdOx1 nCov-19. Not long after the introduction of this vaccine cases of clots associated with low…

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Measles, Mumps, Rubella Vaccination, and Autism

The title of this post is the same as that of a paper published in the Annals of Internal Medicine this month. I’ve added a comma before and in the interest of stylistic nicety.  Twenty years ago a fraudulent paper was published in the Lancet which purported to link the MMR vaccine with autism. There…

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