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  2. 4 days ago · The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931. The causative agent was identified as a virus in 1933.

  3. 2 days ago · Pandemics timeline death tolls. This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period ...

  4. May 16, 2024 · CDC Current Outbreak List. Print. Infectious disease outbreaks currently being reported on by CDC. Listings include those outbreaks for which content is currently published on the CDC website.

  5. May 9, 2024 · This chart shows national and regional trends over time of the levels of SARS-CoV-2 (the virus that causes COVID-19) activity levels present in samples of wastewater taken from sites across the United States.

  6. 3 days ago · World maps showing total confirmed cases, and total confirmed cases per million, by country. Data is from the COVID-19 Data Repository by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University.

  7. 3 days ago · Dr. Chan is a molecular biologist at the Broad Institute of M.I.T. and Harvard, and a co-author of “Viral: The Search for the Origin of Covid-19.” Updated June 3, 2024 at 3:09 p.m. E.T. This ...

  8. 6 days ago · Weekly US Map: Influenza Summary Update. This system monitors visits for respiratory illness that includes fever plus a cough or sore throat, also referred to as ILI, not laboratory confirmed influenza and may capture patient visits due to other respiratory pathogens that cause similar symptoms.