The common cold is a viral infection affecting the upper respiratory tract, causing symptoms such as a sore throat, coughing, sneezing, runny nose, and low-grade fever.
Influenza (Flu)
Influenza viruses cause the flu, a highly contagious respiratory disease with severe symptoms including fever, sore throat, exhaustion, body pains, coughing, and congestion.
Norovirus
Norovirus, a highly contagious virus, causes gastroenteritis, causing symptoms such as nausea, vomiting, diarrhea, and stomach cramping.
Bronchitis
Bronchitis, often caused by viruses, is a condition characterized by inflammation of the bronchial passages, leading to chronic cough, chest discomfort, and occasionally low temperatures.
Pneumonia
Pneumonia, caused by various pathogens like bacteria, viruses, or fungi, results in lung inflammation, causing symptoms like cough, fever, dyspnea, and chest pain.