15 Facts About COVID


Symptoms of COVID-19 are variable, but often include fever, cough, headache, fatigue, breathing difficulties, loss of smell, and loss of taste.

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Symptoms of COVID-19 are variable depending on the type of variant contracted, ranging from mild symptoms to critical and possibly fatal illness.

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COVID-19 is caused by infection with a strain of coronavirus known as 'Severe Acute Respiratory Syndrome coronavirus 2' .

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COVID-19 is most known for affecting the upper respiratory tract and the lower respiratory tract .

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The involvement of both the central and peripheral nervous system in COVID-19 has been reported in many medical publications.

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Autopsies of people who died of COVID-19 have found diffuse alveolar damage, and lymphocyte-containing inflammatory infiltrates within the lung.

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Unvaccinated women in later stages of pregnancy with COVID-19 are more likely than other patients to need very intensive care.

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Evidence indicates that contact with infected surfaces is not the main driver of COVID-19, leading to recommendations for optimised disinfection procedures to avoid issues such as the increase of antimicrobial resistance through the use of inappropriate cleaning products and processes.

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The cornerstone of management of COVID-19 has been supportive care, which includes treatment to relieve symptoms, fluid therapy, oxygen support and prone positioning as needed, and medications or devices to support other affected vital organs.

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Abnormal sodium levels during hospitalization with COVID-19 are associated with poor prognoses: high sodium with a greater risk of death, and low sodium with an increased chance of needing ventilator support.

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Key metric in gauging the severity of COVID-19 is the infection fatality rate, referred to as the infection fatality ratio or infection fatality risk.

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International research on vaccines and medicines in COVID-19 is underway by government organisations, academic groups, and industry researchers.

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Several other types of models have been developed and used during the COVID-19 including computational fluid dynamics models to study the flow physics of COVID-19, retrofits of crowd movement models to study occupant exposure, mobility-data based models to investigate transmission, or the use of macroeconomic models to assess the economic impact of the pandemic.

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Data collected from Jin Yin-tan Hospital in Wuhan, China indicates that patients who had more severe responses to COVID-19 had greater amounts of pro-inflammatory cytokines and chemokines in their system than patients who had milder responses.

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The interleukin-6 receptor antagonist was approved by the FDA to undergo a PhaseIII clinical trial assessing its effectiveness on COVID-19 based on retrospective case studies for the treatment of steroid-refractory cytokine release syndrome induced by a different cause, CAR T cell therapy, in 2017.

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