👉 Sporades, also known as sporadic diseases or sporadic infections, are a type of illness where there is no clear cause and symptoms appear at random intervals. These conditions can be caused by various factors such as viral, bacterial, fungal, parasitic, or genetic disorders. The term "sporades" was coined in the 19th century by French physician Louis Pasteur when he described a group of patients who had developed an unusual pattern of symptoms that could not be explained by