Pneumonia is frequently caused by bacteria and viruses which can be contagious, depending on the pathogen. Pneumonia is a potentially deadly lung condition that can affect one or both lungs and cause cough, fever, and trouble breathing. Pneumoniais a type of lung infection that can affect one o...
Is pneumothorax contagious? How is alveolar gas exchange affected by emphysema and pneumonia? What causes a lung to partially collapse? What are the symptoms of a collapsed lung? How does mesothelioma affect the lungs? How does pleural effusion affect the body? What is the difference between atel...
Deadly outbreaks have plagued societies for centuries. But they can lead to medical breakthroughs—if we learn the right lessons from them.
How is pneumonia diagnosed? How do doctors test for chronic bronchitis? Is chronic bronchitis an autoimmune disease? What causes thick mucus production in chronic bronchitis? How long is the enterovirus contagious? How long is a person with adenovirus contagious? How long is leishmaniasis contagious...
Pneumonic plague causes the typical symptoms of pneumonia, including high fever and a cough that produces bloody sputum. Generally, secondary pneumonic plague is not as contagious as the primary variety. This is because people who contract primary pneumonic plague tend to be healthy and active when...
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Researchers found that patients were most infectious — their sputum contained the highest levels of active virus — on day four of their illnesses. However, in the two most serious cases, involving patients who showed some signs of pneumonia, the viral loads did not peak until much later, aro...
Cytomegalovirus (a risk for babies in the womb) What is the main cause of contagious disease? Person to person. Infectious diseases commonly spread through thedirect transfer of bacteria, viruses or other germs from one personto another. This can happen when an individual with the bacterium or ...
Strep throat iscontagious. Anytime the infected person coughs, sneezes, or even talks, water droplets are discharged from their throats. This can affect someone who is close to them if they are in direct contact, but most of the time, the droplets land on surfaces. ...
Delta was recognized as a SARS-CoV-2variant of concerninMay 2021and has proved extremely difficult to control in unvaccinated populations. Delta has managed toout-competeother variants, including Alpha. Variants are classified as "of concern" because they're either more contagious than the original...