viruses

Influenza virus — disease & traits

Flu with fever, myalgia, dry cough; antigenic drift/shift; treat with neuraminidase inhibitors.

Respiratory syncytial virus — infection & feature

Bronchiolitis/pneumonia in infants; forms syncytia via F protein; supportive therapy.

SARS-CoV-2 — disease & key note

COVID-19,binds ACE2, cytokine storm; corticosteroids/IL-6 inhibitors if severe.

Hepatitis B virus — disease & feature

Hepatitis with jaundice; HBsAg, interferon-a or tenofovir.

HIV — disease & mechanism

AIDS; infects CD4+ T cells; latency reservoir; treat with ART (3-drug combo).

Enteroviruses — disease & note

Aseptic meningitis, polio; inhibit host protein synthesis; no treatment.

Herpes simplex virus — infection & key point

Oral/genital herpes; latent in neurons; treat with aciclovir.

Varicella-zoster virus — infection & feature

Chickenpox/shingles; latent in ganglia; treat with aciclovir.

Cytomegalovirus — infection & feature

CMV disease in immunocompromised; owl eye cells; ganciclovir.

Epstein-Barr virus — disease & feature

Mononucleosis; infects B cells, latent; no specific therapy.