Intracellular pathogens can spread to the nervous system and brain directly, through the blood stream, and inside immune cells. In the brain, intracellular pathogens generate an immune response; formation of lumps, bumps and clumps, inside, covering and around the pathogen; a cascade of internal responses and effects; and chronic disease. Some types of intracellular pathogens may form Lewy bodies (protein clumps inside neurons, characteristic of Parkinson’s disease); and other types may form sticky clumps of proteins outside neurons, characteristic of Alzheimer’s.
Covid19 has been implicated in the formation of Lewy Bodies, in chronic brain fog, and in the acceleration of Alzheimer’s disease. Covid19 replicates intracellularly, and can mix with other intracellular pathogens, including the intracellular pathogens likely to cause or causing Parkinson’s and Alzheimer’s. The intracellular pathogens provide an internal vehicle for spread, and covid19 further stimulates the immune system to attack tissue harboring the pathogens with higher levels of inflammation.
Covid-19 presents a risk of worsening and or accelerating the underlying and evolving process of chronic disease, including diseases of the nervous system and brain.
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