How covid affects the lungs and disfuncitiong of lungs.
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Answer:
People with chronic heart, lung, and blood diseases may be at risk of severe COVID-19 symptoms, including pneumonia, acute respiratory distress, and acute respiratory failure. Patients with severe problems breathing due to COVID-19 may require oxygen therapy, a ventilator, or other airway support.
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Answer:
Coronavirus disease 2019 (COVID-19), also known as the coronavirus, or COVID, is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was identified in Wuhan, China, in December 2019.[7] The disease has since spread worldwide, leading to an ongoing pandemic.[8]
Coronavirus disease 2019
(COVID-19)
Other names
COVID, (the) coronavirus
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Transmission and life-cycle of SARS-CoV-2 causing COVID-19.
Pronunciation
/kəˈroʊnəˌvaɪrəs dɪˈziːz/
/ˌkoʊvɪdnaɪnˈtiːn, ˌkɒvɪd-/[1]
Specialty
Infectious disease
Symptoms
Fever, cough, fatigue, shortness of breath, vomiting, loss of taste or smell; some cases asymptomatic[2][3]
Complications
Pneumonia, viral sepsis, acute respiratory distress syndrome, kidney failure, cytokine release syndrome, respiratory failure, pulmonary fibrosis, pediatric multisystem inflammatory syndrome, chronic COVID syndrome
Usual onset
2–14 days (typically 5) from infection
Duration
5 days to 10+ months known
Causes
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Diagnostic method
rRT-PCR testing, CT scan
Prevention
Face coverings, quarantine, physical/social distancing, ventilation, hand washing,[4] vaccination[5]
Treatment
Symptomatic and supportive
Frequency
160,046,937[6] confirmed cases
Deaths
3,324,907[6]
Symptoms of COVID-19 are variable, but often include fever,[9] cough, headache,[10] fatigue, breathing difficulties, and loss of smell and taste.[11][12] Symptoms may begin one to fourteen days after exposure to the virus. At least a third of people who are infected do not develop noticeable symptoms.[13] Of those people who develop noticeable symptoms enough to be classed as patients, most (81%) develop mild to moderate symptoms (up to mild pneumonia), while 14% develop severe symptoms (dyspnea, hypoxia, or more than 50% lung involvement on imaging), and 5% suffer critical symptoms (respiratory failure, shock, or multiorgan dysfunction).[14] Older people are at a higher risk of developing severe symptoms. Some people continue to experience a range of effects (long COVID) for months after recovery, and damage to organs has been observed.[15] Multi-year studies are underway to further investigate the long-term effects of the disease.[15]