What plague symptoms did john have?

In the context of plague symptoms, John likely experienced fever, chills, weakness, swollen lymph nodes (buboes), and possibly skin lesions. These symptoms are characteristic of the Bubonic Plague, which is caused by the bacterium Yersinia pestis. Additionally, he may have exhibited signs of septicemic or pneumonic plague if the infection progressed. Early medical intervention is crucial for improving outcomes in plague cases.