CURRENT AFFAIRS

2018

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
To which of the following Herpes family Alzheimer’s disease is linked to?
A
Herpes Simplex Virus type I (HSV-1)
B
Herpes Simplex Virus type II (HSV-2)
C
Varicella-Zoster Virus (VZV/HHV-3)
D
Epstein-Barr Virus (EBV/HHV-4)
Explanation: 

Detailed explanation-1: -Conclusions. Our findings provided evidence supporting a positive relationship between mononucleosis and AD, indicating a causal link between EBV infection and AD.

Detailed explanation-2: -The risk of developing Alzheimer’s or vascular dementia appears to be increased by many conditions that damage the heart and blood vessels. These include heart disease, diabetes, stroke, high blood pressure and high cholesterol. Work with your doctor to monitor your heart health and treat any problems that arise.

Detailed explanation-3: -NIH Study Debunks Long-Held Symptomatic Herpes-Alzheimer’s Connection. Researchers at the NIH’s National Institute on Aging found that symptomatic herpes viruses were associated with neurological and cognitive symptoms, but there was no evidence to support a long-held theory that they are linked to Alzheimer’s disease.

Detailed explanation-4: -Herpesviruses. Herpesviridae are enveloped, double-stranded DNA viruses. HSV-1 and HSV-2, varicella-zoster virus (VZV), Epstein–Barr virus (EBV), cytomegalovirus (CMV), and HHV-6 all cause viral meningitis.

Detailed explanation-5: -They are known as the human herpesviruses and are herpes simplex virus type 1, herpes simplex virus type 2, varicella-zoster virus, cytomegalovirus, Epstein-Barr virus, human herpesvirus 6, human herpesvirus 7 and, most recently, Kaposi’s Sarcoma herpesvirus.

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