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  2. The Johns Hopkins Coronavirus Resource Center established a new standard for infectious disease tracking by publicly providing pandemic data in near real time. It began Jan. 22, 2020 as the COVID-19 Dashboard, operated by the Center for Systems Science and Engineering and the Applied Physics Laboratory. But the map of red dots quickly evolved ...

    • How Does The Coronavirus Spread?
    • How Did The Coronavirus Start?
    • What Is The Incubation Period For Covid-19?

    As of now, researchers know that the coronavirus is spread through droplets and virus particles released into the air when an infected person breathes, talks, laughs, sings, coughs or sneezes. Larger droplets may fall to the ground in a few seconds, but tiny infectious particles can linger in the air and accumulate in indoor places, especially wher...

    The first case of COVID-19 was reported Dec. 1, 2019, and the cause was a then-new coronavirus later named SARS-CoV-2. SARS-CoV-2 may have originated in an animal and changed (mutated) so it could cause illness in humans. In the past, several infectious disease outbreaks have been traced to viruses originating in birds, pigs, bats and other animals...

    Symptoms show up in people within two to 14 days of exposure to the virus. A person infected with the coronavirus is contagious to others for up to two days before symptoms appear, and they remain contagious to others for 10 to 20 days, depending upon their immune system and the severity of their illness.

  3. Johns Hopkins Medicine continues to follow the highest level of safety precautions as we care for our patients and work with our communities during the coronavirus pandemic. Please use this site to learn more about patient care, testing, vaccinations and additional information about COVID-19.

  4. Aug 15, 2022 · August 15, 2022. By. Lindsay Smith Rogers. COVID-19. Infectious Diseases. Until recently, there were multiple theories about the origins of SARS-CoV-2. Finger-pointing, politics, and mis- and disinformation soured the discussion, but researchers have continued to prod for answers.

  5. Mar 8, 2021 · Jan. 21, 2020: First U.S. coronavirus case confirmed in Washington state. Jan. 22, 2020: The Johns Hopkins University and Johns Hopkins Medicine launch the Coronavirus Resource Center, which rapidly becomes a premier source around the world for real-time, accurate data about the pandemic.

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