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The commercial name for the FDA approved COVID-19 vaccine from Pfizer, released August 21, 2021. It also has several other names or designators used on the actual vials. Community transmission. Main article: Community transmission. The spread of a contagious disease to an individual with no known contact with other infected populations. Contact ...
Shortness of breath (SOB), known as dyspnea (in AmE) or dyspnoea (in BrE), is an uncomfortable feeling of not being able to breathe well enough. The American Thoracic Society defines it as "a subjective experience of breathing discomfort that consists of qualitatively distinct sensations that vary in intensity", and recommends evaluating dyspnea by assessing the intensity of its distinct ...
Fouchier used a broad-spectrum "pan-coronavirus" real-time reverse-transcription polymerase chain reaction (RT-qPCR) method to test for distinguishing features of a number of known coronaviruses (such as OC43, 229E, NL63, and SARS-CoV), as well as for RNA-dependent RNA polymerase (RdRp), a gene conserved in all coronaviruses known to infect humans.
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020 the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .
A new study explores how much control you really have over getting infected, and how much you don't. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800 ...
In public health, social distancing, also called physical distancing, [2] [3] [4] is a set of non-pharmaceutical interventions or measures intended to prevent the spread of a contagious disease by maintaining a physical distance between people and reducing the number of times people come into close contact with each other.
Although the coronavirus continues to kill and cause lasting damage, our immunity, vaccines and treatments have tamed the pandemic. Dr. Tom Frieden: Covid-19 is still around, and so are these ...
New COVID-19 variants continue to pop up. Experts explain how many COVID variants there are, important subvariants, and the evolution of SARS-CoV-2 virus. ... M.D., an infectious diseases ...