Answer:
False
Step-by-step explanation:
The infectious dose is not the same for all organisms. It can vary widely depending on the type of microorganism (such as bacteria, viruses, fungi, etc.), its virulence (ability to cause disease), the route of entry into the body, the host's immune system strength, and various other factors. Different organisms require different amounts of the infectious agent to cause an infection in a host.
For example, some highly virulent pathogens might require only a small number of microorganisms to cause an infection, while others with lower virulence might require a larger number.
So, the infectious dose is not a universal constant and can differ significantly among different organisms and infections.