2022年11月23日 · Viral infections are any illness you get from a virus (a small germ that uses your cells to reproduce). Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores). Many viruses go away on their own, but some cause life-threatening or chronic illnesses.

2025年1月14日 · Data from the CDC show that all four viruses are circulating at high levels this winter. It’s not uncommon for these viruses to spread more quickly during winter months, and you can still take...

2020年2月10日 · Here's a look at some of the worst of these infections, from ebola and dengue to the more recent SARS, the new coronavirus and Zika virus. The 2019 novel coronavirus (2019-nCoV) is a new strain of...

2025年3月7日 · Respiratory illness activity is monitored using the acute respiratory illness (ARI) metric. ARI captures a broad range of diagnoses from emergency department visits for respiratory illnesses, from the common cold to severe infections like influenza, RSV and COVID-19.

2025年1月1日 · Now, the risks of getting RSV – a virus that causes cold-like symptoms, affecting the breathing passages and lungs – is escalating, too. Wastewater levels of RSV rose to "moderate" nationwide for...

3 天之前 · Soonyeung is fighting off a bad viral infection. She has been battling it for a week now. What are her CD4+ cells doing as part of this effort? Which effect do pyrogens have? Which system does multiple sclerosis attacks? Arianna scraped her hand when she tripped and fell. She is bleeding but it is minimal.

1 天前 · Data on how respiratory viruses are contributing to serious health outcomes. How people of different ages, race and ethnicity, and sex are affected by COVID-19, flu, and RSV. Vaccination uptake & intent for COVID, flu, and RSV. View data for COVID-19, flu, and RSV activity in your community and across the United States.

2024年5月23日 · NREVSS allows for timely analysis of data to monitor viral seasons and circulation patterns. All data graphs on this site are updated weekly. Select a View Information can be viewed as national data (all participating NREVSS laboratories) or filtered by HHS region, surveillance year, or virus.

2023年11月8日 · Viruses cause familiar infections such as the common cold, but they also cause severe illnesses. Learn more about viral infections and their symptoms.

2025年1月6日 · Respiratory syncytial virus, more commonly known as RSV, is a fairly common respiratory virus that infects the nose, throat and lungs. It tends to cause...