Which type of infection is commonly associated with viruses?

Which type of infection is commonly associated with viruses?

• A. Parasitic infections
• B. Fungal infections
• C. Common colds and other respiratory and gastrointestinal infections
• D. Bacterial infections

Answer: (C)

Viruses are the agents most commonly linked to illnesses like the common cold and many other respiratory infections, and they also cause a number of gastrointestinal illnesses. These infections arise when viruses invade and replicate in the cells of the nose, throat, or gut, producing classic symptoms such as runny nose, cough, sore throat, or vomiting and diarrhea. Parasitic infections are caused by organisms like protozoa or worms, fungal infections come from fungi, and bacterial infections come from bacteria—each representing a different category of pathogen with its own typical diseases and treatments. Because the described illnesses—common colds and other respiratory and gastrointestinal infections—are the hallmark viral infections people most often encounter, that option best matches what viruses typically cause.

Viruses are the agents most commonly linked to illnesses like the common cold and many other respiratory infections, and they also cause a number of gastrointestinal illnesses. These infections arise when viruses invade and replicate in the cells of the nose, throat, or gut, producing classic symptoms such as runny nose, cough, sore throat, or vomiting and diarrhea. Parasitic infections are caused by organisms like protozoa or worms, fungal infections come from fungi, and bacterial infections come from bacteria—each representing a different category of pathogen with its own typical diseases and treatments. Because the described illnesses—common colds and other respiratory and gastrointestinal infections—are the hallmark viral infections people most often encounter, that option best matches what viruses typically cause.