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A secondary disease is a disease that is a sequela or complication of a prior, causal disease, which is referred to as the primary disease or simply the underlying cause . For example, a bacterial infection can be primary, wherein a healthy person is exposed to bacteria and becomes infected, or it can be secondary to a primary cause, that ...
Applied field epidemiology can include investigating communicable and non-communicable disease outbreaks, mortality and morbidity rates, and nutritional status, among other indicators of health, with the purpose of communicating the results to those who can implement appropriate policies or disease control measures.
Hepatitis C: According to the World Health Organization, there are approximately 58 million people with chronic hepatitis C, with about 1.5 million new infections occurring per year. In 2019, approximately 290,000 people died from the disease, mostly from cirrhosis and hepatocellular carcinoma (primary liver cancer). [25]
The Plague of Athens (c. 1652 –1654) by Michiel Sweerts, illustrating the devastating epidemic that struck Athens in 430 BC, as described by the historian Thucydides. The United States Centers for Disease Control and Prevention defines epidemic broadly: "Epidemic refers to an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in ...
Doss porphyria/ALA dehydratase deficiency/Plumboporphyria (the disease is known by multiple names) DPT Diphtheria, pertussis, tetanus: DRSP disease Drug-resistant Streptococcus pneumoniae disease DS Down syndrome: DSPS Delayed sleep phase syndrome: DTs Delirium tremens: DVD Developmental verbal dyspraxia: DVT Deep vein thrombosis
In 2018, the World Health Organization coined the term “Disease X” to represent a potential or hypothetical pathogen that could cause human disease in a population that has no prior immunity ...
This disease can occur in both adults and children and is especially common among those with weak or undeveloped immune systems. Tuberculosis (TB) has been one of history's greatest killers, taking the lives of over 3 million people annually. It has been called the "white plague".
To address the harm happening today, we must urgently deal with the current and future impacts of climate change on our health by building stronger, more resilient health systems, supported by a ...