Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing. A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia. Pneumonia can range in … See more The signs and symptoms of pneumonia vary from mild to severe, depending on factors such as the type of germ causing the infection, and your age and overall health. Mild signs … See more Many germs can cause pneumonia. The most common are bacteria and viruses in the air we breathe. Your body usually prevents these germs from infecting your lungs. But … See more Even with treatment, some people with pneumonia, especially those in high-risk groups, may experience complications, including: 1. Bacteria … See more Pneumonia can affect anyone. But the two age groups at highest risk are: 1. Children who are 2 years old or younger 2. People who are age 65 or … See more
Symptoms and causes - Mayo Clinic
WebRespiratory tract infections (RTIs) are infections of parts of the body involved in breathing, such as the sinuses, throat, airways or lungs. Most RTIs get better without treatment, but sometimes you may need to see a GP. Check if you have an RTI. Symptoms of an RTI include: a cough – you may bring up mucus (phlegm) sneezing; a stuffy or ... WebIn adults and older, healthy children, RSV symptoms are mild and typically mimic the common cold. Self-care measures are usually all that's needed to relieve any discomfort. … how to scan a large document
COVID-19 Symptoms Usually Show Up in This Order - Healthline
WebMar 7, 2024 · Initial signs of RSV are similar to mild cold symptoms, including congestion, runny nose, fever, cough and sore throat. Very young infants may be irritable, fatigued and have breathing difficulties. Normally these symptoms will clear up on their own in a few days. A barking or wheezing cough can be one of the first signs of a more serious illness. WebJan 19, 2024 · Common upper respiratory symptoms associated with omicron include the following: Cough. Shortness of breath/difficulty breathing. Nasal congestion/stuffy nose. Runny nose. Sore, scratchy … WebJun 10, 2024 · Respiratory illnesses have a massive global health impact. The following facts are concerning: Chronic obstructive pulmonary disease affects 65 million people globally and kills 3 million per year, making it the third greatest cause of death.; Every year, 10 million people contract tuberculosis, and 1.6 million people die from it, making it the … how to scan a large paper