viral pathogens
Infectious microscopic agents
Viral pathogens are viruses that cause disease in their hosts.
The term appears in medical and scientific contexts to distinguish disease-causing viruses from harmless ones: The lab screens blood samples for viral pathogens.
Common viral pathogens include influenza, HIV, and coronaviruses.
The adjective viral specifies the type of pathogen, as bacteria and fungi can also be pathogenic.
- herpesvirusesDNA viruses causing recurring infections
- COVID-19WHO-named 2019 coronavirus
- spike proteinViral membrane projection enabling infection
- influenzaAcute viral respiratory infection
- bird fluViral illness from poultry
common cold · adenoviruses · HIV/AIDS · airborne transmission · droplet transmission · super spreader · cytokine storm · immune response · vaccination · retroviruses · rabies · patient zero · Ebola · viral shedding · host cell · dengue fever · chickenpox · viral replication
- stomach virusesnorovirus, rotavirus, astrovirus, adenovirus, viral gastroenteritis
- Plant Defensedisease resistance, pest resistance, immune response, innate immunity, bacterial resistance
- plant microbiomemycorrhizae, symbiotic bacteria, beneficial microbes, beneficial bacteria, nodulation
viral pathogensbacteria
Nucleus-free single-celled organisms
fungi · parasites · protozoa · prions · bacterial infections
viral pathogensbeneficial microbes
probiotics · gut flora · microbiome · beneficial bacteria · symbiotic bacteria