👉 The January Flu, also known as seasonal influenza, is a contagious respiratory illness caused by influenza viruses that typically circulates annually in January and February. This flu season is influenced by various factors, including weather conditions, population density, and human behavior, which can affect virus transmission. Symptoms include fever, cough, sore throat, runny or stuffy nose, body aches, headache, and fatigue. The January Flu can spread rapidly in schools, workplaces, and communities, leading to widespread illness. Vaccination is a crucial preventive measure against the January Flu, as it helps build immunity and reduce the severity and duration of infections.