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  2. Acute bronchitis - Wikipedia

    en.wikipedia.org/wiki/Acute_bronchitis

    Acute bronchitis, also known as a chest cold, is short-term bronchitis – inflammation of the bronchi (large and medium-sized airways) of the lungs. [2] [1] The most common symptom is a cough. [1] Other symptoms include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort. [2] The infection may last from a few to ten ...

  3. When and how we’ll know if Omicron is worse than Delta - AOL

    www.aol.com/news/when-and-how-well-know-if...

    The sudden emergence of Omicron has ushered in the most disorienting phase of the pandemic since COVID-19 first materialized two winters ago. When and how we’ll know if Omicron is worse than ...

  4. What the latest omicron subvariants mean for reinfection risk

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  5. 3 signs that Omicron may not actually be worse than Delta - AOL

    www.aol.com/news/omicron-may-spreading-fast...

    Budding evidence suggests Omicron spreads easily, but that doesn't necessarily mean it's a greater threat to us than Delta. 3 signs that Omicron may not actually be worse than Delta Skip to main ...

  6. SARS-CoV-2 Omicron variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Omicron_variant

    In May 2022, a preprint indicated Omicron subvariants BA.4 and BA.5 could cause a large share of COVID-19 reinfections, beyond the increase of reinfections caused by the Omicron lineage, even for people who were infected by Omicron BA.1 due to increases in immune evasion, especially for the unvaccinated. However, the observed escape of BA.4 and ...

  7. What the latest omicron subvariants mean for reinfection risk

    www.aol.com/news/latest-omicron-subvariants-mean...

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  8. Symptoms of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Symptoms_of_COVID-19

    However, the absence of the symptom itself at an initial screening does not rule out COVID-19. Fever in the first week of a COVID-19 infection is part of the body's natural immune response; however in severe cases, if the infections develop into a cytokine storm the fever is counterproductive. As of September 2020, little research had focused ...

  9. A new COVID-19 variant is circulating. Here's what to know ...

    www.aol.com/covid-19-variant-circulating-heres...

    While COVID-19 cases are on a downtrend in Oklahoma, virus season is upon us — and this summer saw the highest spike in percent positive COVID-19 cases in Oklahoma since the summer of 2022.. As ...