As more and more people are infected with SARS-CoV-2 and recover, questions about immunity have emerged. Upon infection with a virus, the body produces virus-specific antibodies to guard against future infections. Some antibodies confer life-long protection such as those that protect against the measles virus, while others do nothing to fight the disease, as seen with human immunodeficiency viruses. Currently, how long antibodies generated against SARS-CoV-2 last and to what extent they confer protection are unclear. Some evidence suggests that people infected with SARS-CoV-2 develop antibodies against the virus, but whether those antibodies neutralize the virus isn't known. The evidence for immunity has been bolstered by successes observed in studies that have administered convalescent plasma from recovered COVID-19 patients to severely ill patients and noted that the virus cleared within a week. In this clip, Dr. Rhonda Patrick discusses the active area of investigation surrounding the immune response to the SARS-CoV-2 virus.
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An infectious disease caused by the novel coronavirus SARS-CoV-2. COVID-19, or coronavirus disease 2019, was first identified in Wuhan, China, in late 2019. The disease manifests primarily as a lower respiratory illness, but it can affect multiple organ systems, including the cardiovascular, neurological, gastrointestinal, and renal systems. Symptoms include fever, cough, fatigue, shortness of breath, and loss of smell and taste. Some infected persons, especially children, are asymptomatic. Severe complications of COVID-19 include pneumonia, sepsis, acute respiratory distress syndrome, kidney failure, multiple organ dysfunction syndrome, and cytokine storm. Treatments currently involve symptom management and supportive care. Mortality varies by country and region, but approximately 6 percent of people living in the United States who are diagnosed with COVID-19 expire. 1
Any of a group of complex proteins or conjugated proteins that are produced by living cells and act as catalyst in specific biochemical reactions.
An essential mineral present in many foods. Iron participates in many physiological functions and is a critical component of hemoglobin. Iron deficiency can cause anemia, fatigue, shortness of breath, and heart arrhythmias.
An enzyme that facilitates the generation of complementary DNA. In viruses, reverse transcriptases convert viral RNA into a complementary DNA, which can then be integrated into the host’s genome. In humans, the reverse transcriptase telomerase maintains and extends the length of telomeres.
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