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Infection that inflames air sacs in one or both lungs, which may fill with fluid.
  • Some types preventable by vaccine
  • Treatable by a medical professional
  • Requires a medical diagnosis
  • Lab tests or imaging always required
  • Spreads by airborne droplets
  • Short-term: resolves within days to weeks
With pneumonia, the air sacs may fill with fluid or pus. The infection can be life-threatening to infants, children, and people over 65.
Symptoms include cough with phlegm or pus, fever, chills, and difficulty breathing.
Antibiotics can treat many forms of pneumonia. Some forms of pneumonia can be prevented by vaccines.
Very common: More than 3 million US cases per year
Consult a doctor for medical advice Sources: Mayo Clinic and others. Learn more
17 hours ago · Pneumonia is an infection of one or both lungs which affects alveoli. This article looks at the differences between bacterial and viral pneumonia.
Common questions
What does COVID-19 pneumonia cause?
The pneumonia that COVID-19 causes tends to take hold in both lungs. Air sacs in the lungs fill with fluid, limiting their ability to take in oxygen and causing shortness of breath, cough and other symptoms.
Feb 28, 2022
Do all patients with COVID-19 get pneumonia?
Most people who get COVID-19 have mild or moderate symptoms like coughing, a fever, and shortness of breath. But some who catch the new coronavirus get severe pneumonia in both lungs. COVID-19 pneumonia is a serious illness that can be deadly.
Jan 25, 2022
Can COVID-19 give you pneunomia?
You're likely familiar with the common, mild symptoms of COVID-19 — including fever, dry cough and fatigue. But, in more severe cases, COVID-19 can also cause serious complications, including pneumonia.
Jul 6, 2021
Is shortness of breath an early symptom of Pneumonia due to COVID-19?
Breathlessness is caused by an infection in the lungs known as pneumonia. Not everyone with COVID-19 gets pneumonia, though. If you don’t have pneumonia, you probably won’t feel short of breath.
Sep 24, 2021
For informational purposes only. Consult your local medical authority for health advice.
12 hours ago · Scientists have been able to direct a swarm of microscopic swimming robots to clear out pneumonia microbes in the lungs of mice, raising hopes that a ...
13 hours ago · Pneumonia is a major research core topic in the medical field, and clinical trials of pneumonia and respiratory tract infection have been ongoing.
9 hours ago · If bacterial pneumonia is suspected, administer empiric antibiotic treatment, re-evaluate the patient daily, and de-escalate or stop antibiotics if further ...
19 hours ago · Key takeaways: The PCV20 and PCV15 vaccines were approved in 2021. Prior to that, there were only two pneumonia vaccines available: PPSV23 and PCV13.
6 hours ago · Streptococcus pneumoniae (pneumococcus), and pertussis prevent some of the bacterial infections that cause pneu- monia. Influenza vaccine may prevent pneumonia ...
23 hours ago · There were 34 cases of bacterial pneumonia with agreement between syndromic PCR and culture results, including 15 cases with no pathogen identified and 19 cases ...
16 hours ago · Importantly, implementation of syndromic pneumonia panel improved time to diagnosis, identified new pathogens not detected by cultures in 49% of the cases and ...
22 hours ago · This retrospective cohort study assesses incidence of breakthrough COVID-19 and hospitalization with COVID-19 pneumonia or death among adults who received a ...