How do influenza symptoms differ from those of the common cold?

Mar 8, 2024 ... Influenza encephalitis · Symptoms. In a broad sense, clinical characteristics encompass a combination of flu symptoms and central nervous system ... Influenza (flu) is a highly contagious viral infection of the respiratory tract that can cause severe illness and life-threatening complications (including ... Sep 19, 2024 ... In infants, RSV can cause pneumonia or bronchiolitis, and people over the age of 50 or those with heart or lung disease are also at risk for ... Signs & Symptoms of the Flu · Fever or feeling feverish/chills · Cough · Sore throat · Sneezing · Runny or stuffy nose · Muscle or body aches · Headache ... Avian influenza, commonly known as “bird flu,” is a highly contagious disease caused by certain influenza A viruses. These viruses mainly infect and spread ... Jun 1, 2007 ... Different patterns of influenza incidence in a total population, caused by different patterns of social interaction among four etiologically distinct age ... Mar 21, 2025 ... Seasonal influenza, commonly known as the flu, is an acute respiratory infection caused by influenza viruses. The disease can cause mild to ... Jan 20, 2025 ... Sinusitis, a common flu complication, can extend the illness by 10–15 days due to nasal congestion and sinus blockages that intensify symptoms. Jun 8, 2017 ... Antigenic drift in human flu viruses is what causes the changes in seasonal flu viruses each year and is why the seasonal flu vaccine must be ... Bacteria. Bacterial pneumonia can occur on its own or develop after you've had a virus like the cold, flu, COVID-19 or RSV.