Following exposures to the same pathogen, the immune system is better equipped to react quickly and activity levels increase because the first contact with the virus, memory b cells were produced.
What is pathogen?
- The severity of the disease symptoms is referred to as virulence, and a pathogen is an organism that causes disease in its host. Pathogens are diverse in terms of taxonomy and include bacteria, viruses, and both single- and multicellular eukaryotes.
- Pin it on Pinterest Pathogens include several forms of bacteria, viruses, and fungi. A pathogen infects its host and will causes illness. Since pathogens cause infections, they are often referred to as infectious agents. Like all organisms, infections put their focus on surviving and reproducing.
- Direct touch, droplets, a mosquito as a vector, a food item as a vehicle, or the airborne route are all possible modes of transmission. There are numerous access points for the vulnerable host, including the mouth or a syringe.
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