👉 The term "postvaccinal" is a medical term that refers to the period of time following vaccination, often in conjunction with the onset of symptoms or signs related to the vaccine. This could be due to various reasons such as an allergic reaction, a side effect from the medication used, or any other health condition that may have been induced by the vaccine. The exact duration and severity of these symptoms can vary greatly depending on the individual, but they are often considered to be postvaccinal