This all depends on the particular virus or bacteria in question, some can be airborne meaning they simply float around like air and can be inhaled, some require touch and can live on skin and hair and be transferred this way. Some require fluid transfer between host and infectee, others can require specific condition from variants such as heat or being in a particular medium such as water. Many virus and bacteria also require quite specific host bodies to be able to spread, for example many viruses that effect plants are harmless to animals and humans.
viruses
viruses are non living and bacteria are living organisms
Bacteria and viruses can both infect many species unrelated to each other. Rabies as a viral example, and staphylococcus as a bacterial example. Both can cause disease. They are able to mutate within a short period of time (few generations).Neither bacteria or viral organisms have a nucleus.
Bacteria and viruses are common types of pathogens that can cause infections and illnesses in humans. Bacteria are single-celled organisms that can be harmful or beneficial, while viruses are infectious agents that need a host cell to reproduce. Both bacteria and viruses can spread through contact with infected individuals, contaminated surfaces, or through the air.
Bacteria are prokaryotes. Viruses are not living organisms, virus is a virus, that is all.
Bacteria are able to reproduce on their own while viruses need a host to.
A lack of sanitation is a breeding ground for bacteria and viruses to grow. These bacteria and viruses then affect the individuals visiting/living in these environments, and as a result, they are infected. [diseased]
Yellow Fever and Dengue fever are caused by viruses in the Flavivirus family. They are related but they are very different. Dengue viruses are transmitted by mosquitoes from infected people to healthy people. Yellow fever virus is also transmitted by mosquitoes from sick people to healthy people but may also be transmitted from infected monkeys to healthy monkeys or people.
Only Bacteria can reproduce outside of a host.. Bacteria are made of cells
Bateria are made of cells APEX~:)
Bacteria, viruses, fungus
Micro-organisms