Upper respiratory infections (URIs) are common ailments that affect millions of people each year. These infections can be caused by viruses or bacteria and typically manifest as a combination of symptoms, including a sore throat, runny nose, cough, and general malaise. The upper respiratory tract includes the nose, throat, and sinuses, making it susceptible to a variety of pathogens. Due to their highly contagious nature, URIs can easily spread from person to person, especially in crowded environments or during colder months when people tend to gather indoors. Understanding the transmission dynamics of upper respiratory infections is crucial for preventing outbreaks and protecting vulnerable populations. When an individual is infected, they…