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Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.
Scanning electron micrograph of SARS virions. Severe acute respiratory syndrome (SARS) is the disease caused by SARS-CoV-1. It causes an often severe illness and is marked initially by systemic symptoms of muscle pain, headache, and fever, followed in 2–14 days by the onset of respiratory symptoms, [13] mainly cough, dyspnea, and pneumonia.
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
Reducing the risk of long COVID includes staying up to date on the most recent COVID-19 vaccine, practicing good hygiene, maintaining clean indoor air, and physical distancing from people infected with a respiratory virus. [20] The Omicron variant became dominant in the U.S. in December 2021. Symptoms with the Omicron variant are less severe ...
Pneumonia vaccines aside, Horn’s best recommendation for all ages is to get the flu and COVID vaccines “to prevent serious lung infections going into the winter season.” Both conditions can ...
Or, you may be asymptomatic. If you do show symptoms, the CDC notes they may vary based on whether the bacterium gives you a chest cold or pneumonia: Chest cold. Children younger than 5. Diarrhea ...
The symptoms of pneumonia can vary depending on the germ that causes the infection, but early symptoms of viral and bacterial pneumonia are often similar and mimic those of a cold or flu.
The principal for obstetric management of COVID-19 include rapid detection, isolation, and testing, profound preventive measures, regular monitoring of fetus as well as of uterine contractions, peculiar case-to-case delivery planning based on severity of symptoms, and appropriate post-natal measures for preventing infection.