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  2. CDC warns of 'high' respiratory virus activity as cases ... - AOL

    www.aol.com/respiratory-virus-activity-high...

    Respiratory illness activity – a measure of how often conditions like the common cold, flu, COVID-19, and respiratory syncytial virus are diagnosed – is currently "high" in the United States ...

  3. California confirms first US case of more severe mpox strain ...

    www.aol.com/california-confirms-first-us-case...

    This is the first confirmed case in the U.S. of a strain, or clade, of the virus called clade 1b. Another strain, clade 2b, was primarily responsible for the global outbreak in 2022.

  4. 'Bleeding Eye' Virus Sparks Travel Warning and Worldwide ...

    www.aol.com/lifestyle/bleeding-eye-virus-sparks...

    Related: Bird Flu Detected in Milk Sold in California, State Health Officials Say There have been 66 illnesses and 15 deaths in Rwanda, according to the CDC, but many more may be infected.The CDC ...

  5. Novel coronavirus - Wikipedia

    en.wikipedia.org/wiki/Novel_coronavirus

    Novel coronavirus (nCoV) is a provisional name given to coronaviruses of medical significance before a permanent name is decided upon. Although coronaviruses are endemic in humans and infections normally mild, such as the common cold (caused by human coronaviruses in ~15% of cases), cross-species transmission has produced some unusually virulent strains which can cause viral pneumonia and in ...

  6. SARS-CoV-2 - Wikipedia

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

    Virus infections start when viral particles bind to host surface cellular receptors. [158] Protein modeling experiments on the spike protein of the virus soon suggested that SARS‑CoV‑2 has sufficient affinity to the receptor angiotensin converting enzyme 2 (ACE2) on human cells to use them as a mechanism of cell entry . [ 159 ]

  7. COVID-19 pandemic in the United States - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic_in_the...

    The first American case was reported on January 20, [9] and Health and Human Services Secretary Alex Azar declared a public health emergency on January 31. [10] Restrictions were placed on flights arriving from China, [ 11 ] [ 12 ] but the initial U.S. response to the pandemic was otherwise slow in terms of preparing the healthcare system ...

  8. A new COVID variant is dominant in the US: What are its ... - AOL

    www.aol.com/news/2-covid-variants-called-flirt...

    The new "FLiRT" COVID-19 variants, including KP.3 and KP.2, are spreading in the United States. Will there be a summer surge? Experts discuss transmission, symptoms, and vaccines.

  9. COVID-19 pandemic in North America - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic_in_North...

    Cases were reported in all North American countries after Saint Kitts and Nevis confirmed a case on 25 March, and in all North American territories after Bonaire confirmed a case on 16 April. [2] On 26 March 2020, the United States became the country in North America with the highest number of confirmed COVID-19 infections, at over 82,000 cases ...

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