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7 gru 2023 · A systemic infection occurs when harmful bacteria or viruses enter the bloodstream and spread throughout the body. Unlike localized infections, which are confined to specific body parts, systemic infections can affect multiple organs and systems.
23 lis 2022 · Viral infections are any illness you get from a virus (a small germ that uses your cells to reproduce). Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores).
18 sie 2023 · COVID-19 is a systemic viral illness based on its involvement in multiple major organ systems. Patients with advanced age and comorbid conditions such as obesity, diabetes mellitus, chronic lung disease, cardiovascular disease, chronic kidney disease, chronic liver disease, and neoplastic conditions are at risk of developing severe COVID-19 and ...
A viral infection can lead to a spectrum of symptoms from asymptomatic (no overt symptoms) to severe disease. People may get viruses by swallowing or inhaling them, by being bitten by insects, through sexual contact, or congenitally (passed by a pregnant person to the fetus).
COVID-19, also called coronavirus disease 2019, is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2, or more commonly, SARS-CoV-2. It started spreading at the end of 2019 and became a pandemic disease in 2020. Coronavirus Enlarge image.
11 lis 2016 · Understanding viral disease pathogenesis requires knowledge of each of the stages of infection and an awareness of the underlying mechanisms.
4 lis 2016 · This chapter describes the pathogenesis of viral infections and diseases, including mechanisms of virulence and disease expression, cellular interactions, and virus-induced neoplasia.
