Medically reviewed by Jenny Sweigard, MD Key Takeaways Pneumonia is caused by bacteria, viruses, fungi, or inhaling foreign ...

For the second half of the 19th century and the early part of the 20th, pneumonia was a leading cause of death that killed hundreds of thousands of people. Sir William Osler – usually considered the ...

Theme for World Pneumonia Day 2025: Pneumonia is a contagious illness that poses a risk to individuals of all ages, particularly affecting children and the elderly. Observed annually on November 12th, ...