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Epstein–Barr virus infectious mononucleosis (Mono) Diagnostic modalities for infectious mononucleosis include: Person's age, with highest risk at 10 to 30 years. Medical history, such as close contact with other people with infectious mononucleosis; Physical examination, including palpation of any enlarged lymph nodes in the neck, or enlarged ...
[21] [22] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). [21] However, there is a lack of sources which describe major TB epidemics with definite time spans and death ...
Virions of some of the most common human viruses with their relative size. Nucleic acids are not to scale. SARS stands for SARS-CoV-1 or COVID-19, variola viruses for smallpox. Basic structural characteristics, such as genome type, virion shape and replication site, generally share the same features among virus species within the same family.
Other viral diseases. Many of the most common illnesses people get are caused by viruses, and these can have some surprising effects. Herpes simplex virus might cause Alzheimer’s disease
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
There are more than 200 different types of viruses that can cause a common cold, which is usually just a mild infection in the upper respiratory tract, hence the feeling of a sore throat, runny ...
Rates of enterovirus D68, a respiratory virus that can sometimes lead to a polio-like illness and paralysis in children, have risen significantly across the U.S. over the past month, new data show.
Bacteriophages are a common and diverse group of viruses and are the most abundant biological entity in aquatic environments—there are up to ten times more of these viruses in the oceans than there are bacteria, [185] reaching levels of 250,000,000 bacteriophages per millilitre of seawater. [186]