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  2. Human-to-human transmission - Wikipedia

    en.wikipedia.org/wiki/Human-to-human_transmission

    Relevant microbes may be viruses, bacteria, or fungi, and they may be spread through breathing, talking, coughing, sneezing, spraying of liquids, toilet flushing or any activities which generate aerosol particles or droplets or generate fomites, such as raising of dust. [13] [14]

  3. Zoonotic origins of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Zoonotic_origins_of_COVID-19

    Previous emergence of SARS-CoV-1 and MERS-CoV showed that Betacoronaviruses represent a risk for emergence of diseases threatening to humans. [3] [4] Increased awareness due to the 2002–2004 SARS outbreak motivated research into the potential for other coronavirus outbreaks and the animal reservoirs which could lead to them. [5]

  4. Fungal infection - Wikipedia

    en.wikipedia.org/wiki/Fungal_infection

    During the COVID-19 pandemic some fungal infections have been associated with COVID-19. [10] [23] [24] Fungal infections can mimic COVID-19, occur at the same time as COVID-19 and more serious fungal infections can complicate COVID-19. [10] A fungal infection may occur after antibiotics for a bacterial infection which has occurred following ...

  5. Coronavirus - Wikipedia

    en.wikipedia.org/wiki/Coronavirus

    Sialodacryoadenitis virus (SDAV), which is a strain of the species Murine coronavirus, [143] is highly infectious coronavirus of laboratory rats, which can be transmitted between individuals by direct contact and indirectly by aerosol. Rabbit enteric coronavirus causes acute gastrointestinal disease and diarrhea in young European rabbits. [127]

  6. Transmission of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Transmission_of_COVID-19

    The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets/aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or sing.

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

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

    The FLiRT strains — which include KP.2, KP.1.1 and KP.3 — now account for more than half of all COVID-19 infections nationwide, according to the latest data from the U.S. Centers for Disease ...

  8. Coronavirus diseases - Wikipedia

    en.wikipedia.org/wiki/Coronavirus_diseases

    Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.

  9. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    An infectious disease, also known as a transmissible disease or communicable disease, is an illness resulting from an infection. Infections can be caused by a wide range of pathogens, most prominently bacteria and viruses. [2] Hosts can fight infections using their immune systems.