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  1. The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified in an outbreak in Wuhan, the capital of Hubei, China, in December 2019, before it spread to other areas of Asia, and then worldwide in early 2020.

    • 6,956,160 (reported), 17.5–31.4 million (estimated)
    • Worldwide
  2. en.wikipedia.org › wiki › Spanish_fluSpanish flu - Wikipedia

    e. The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. The earliest documented case was March 1918 in the state of Kansas in the United States, with further cases recorded in France, Germany and ...

    • February 1918 – April 1920
    • Worldwide
    • 25–50 million (generally accepted), other estimates range from 17 to 100 million
    • Influenza
  3. Avian influenza, also known as avian flu, is a bird flu caused by the influenza A virus, which can infect people.[note 1] It is similar to other types of animal flu in that it is caused by a virus strain that has adapted to a specific host. The type with the greatest risk is highly pathogenic avian influenza (HPAI). Though influenza A is ...

  4. Human papillomavirus infection ( HPV infection) is caused by a DNA virus from the Papillomaviridae family. [5] Many HPV infections cause no symptoms and 90% resolve spontaneously within two years. [1] In some cases, an HPV infection persists and results in either warts or precancerous lesions. [2] These lesions, depending on the site affected ...

    • Human papillomavirus spread by direct contact
    • None, warts
    • Most people are infected at some point in time
  5. en.wikipedia.org › wiki › PolioPolio - Wikipedia

    Frequency. 30 (wild) + 856 (vaccine-derived) in 2022 [4] Poliomyelitis ( / ˌpoʊlioʊˌmaɪəˈlaɪtɪs / POH-lee-oh-MY-ə-LY-tiss ), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion ...

    • Fever, sore throat
  6. Robert Francis Kennedy Jr. (born January 17, 1954), also known by his initials RFK Jr., is an American politician, environmental lawyer, anti-vaccine activist, and conspiracy theorist. He is the chairman and founder of Children's Health Defense, an anti-vaccine advocacy group,[1][2] and an independent candidate in the 2024 presidential ...

  7. en.wikipedia.org › wiki › EbolaEbola - Wikipedia

    Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses.[1] Symptoms typically start anywhere between two days and three weeks after infection.[3] The first symptoms are usually fever, sore throat, muscle pain, and headaches.[1] These ...

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