Kim Kardashian revealed that her 2-year-old son Saint was home and recovering on Tuesday after being treated in hospital for pneumonia.
The reality TV star praised Saint’s resilience and said their “end of the year was tough.”
Pneumonia is a type of acute respiratory infection that affects the lungs.
The lungs are made up of tiny sacs, called alveoli, that fill with air when a healthy person breathes. But, pneumonia causes the sacs to fill with pus and fluid, according to the World Health Organization (WHO).
“Pneumonia is the biggest infectious cause of death in children worldwide,” the WHO said.
“Pneumonia killed 920,136 children under five in 2015, representing 16% of all deaths of children under five. “
The condition is usually caused by a bacterial infection, form the bacteria Streptococcus pneumoniae.
But, it can also be caught by a virus, a fungus, or even simply by inhaling a harmful substance, including smoke.
Symptoms of pneumonia can develop quickly, over a period of 24 to 48 hours, according to the NHS.
Signs of the disease include difficulty breathing, fever, chest pain, sweating, chills, and a dry cough. The cough may be accompanied by thick, yellow, green, brown, or bloodstained mucus.
Coughing up blood, vomiting, wheezing, and headaches can also be signs of pneumonia.
People with typical signs of pneumonia should see a GP, while those with severe symptoms – rapid breathing, chest pain, or confusion – should see an emergency doctor.
Ensuring good hygiene standards could reduce the risk of spreading pneumonia.
Covering your mouth with a tissue when you sneeze will help prevent the spread of germs, the NHS urged.
Throw away tissues immediately after use and wash your hands regularly to prevent germs from spreading to others.
In the UK, pneumonia affects around eight in every 1,000 adults each year. The condition is more common in the very young or the very old, and typically occurs more often during the fall and winter months.