Cytomegalovirus
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Cytomegalovirus
Virology
Introduction to viruses
DNA viruses
Adenovirus
Hepatitis B and Hepatitis D virus
Cytomegalovirus
Epstein-Barr virus (Infectious mononucleosis)
Herpes simplex virus
Human herpesvirus 6 (Roseola)
Human herpesvirus 8 (Kaposi sarcoma)
Varicella zoster virus
Human papillomavirus
Parvovirus B19
BK virus (Hemorrhagic cystitis)
JC virus (Progressive multifocal leukoencephalopathy)
Poxvirus (Smallpox and Molluscum contagiosum)
RNA viruses
Lymphocytic choriomeningitis virus
Hantavirus
Norovirus
Coronaviruses
Hepatitis B and Hepatitis D virus
Ebola virus
Dengue virus
Hepatitis C virus
West Nile virus
Yellow fever virus
Zika virus
Influenza virus
Human parainfluenza viruses
Measles virus
Mumps virus
Respiratory syncytial virus
Hepatitis A and Hepatitis E virus
Coxsackievirus
Poliovirus
Rhinovirus
Rotavirus
HIV (AIDS)
Human T-lymphotropic virus
Rabies virus
Eastern and Western equine encephalitis virus
Rubella virus
Prions and virioids
Key Takeaways
Cytomegalovirus (CMV), also known as human herpes 5, is a double-stranded DNA virus. It is usually asymptomatic in immunocompetent individuals, but can present with severe diseases in immunocompromised individuals such as those with HIV/AIDS. It can cause retinitis, esophagitis, and retinitis pneumonia. On microscopic examination, infected cells can present with characteristic "owl eye" inclusion bodies. CMV is spread through body fluids such as saliva, urine, and sexual contact but can also be spread via transplanted organs.