Viruses That Commonly Infect Humans Asymptomatically

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{html} <table style="border-collapse: collapse; width: 100%; font-family: Arial, sans-serif; background-color: #fff;"> <thead> <tr> <th style="border: 1px solid #ccc; padding: 8px; text-align: left; background-color: #0073e6; color: #fff;">Virus</th> <th style="border: 1px solid #ccc; padding: 8px; text-align: left; background-color: #0073e6; color: #fff;">Typical Symptoms</th> <th style="border: 1px solid #ccc; padding: 8px; text-align: left; background-color: #0073e6; color: #fff;">Prevalence</th> <th style="border: 1px solid #ccc; padding: 8px; text-align: left; background-color: #0073e6; color: #fff;">Control / Eradication Potential</th> </tr> </thead> <tbody> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">Epstein-Barr Virus (EBV, HHV-4)</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually none in childhood; mild flu-like in adults</td> <td style="border: 1px solid #ccc; padding: 8px;">~90–95% adults worldwide</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication unlikely; latent in B cells; vaccines under research</td> </tr> <tr> <td style="border: 1px solid #ccc; padding: 8px;">Cytomegalovirus (CMV, HHV-5)</td> <td style="border: 1px solid #ccc; padding: 8px;">Mostly asymptomatic; mild fever in some</td> <td style="border: 1px solid #ccc; padding: 8px;">50–80% adults globally</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication unlikely; antivirals control infection in high-risk groups</td> </tr> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">Human Herpesvirus-6 (HHV-6A/B)</td> <td style="border: 1px solid #ccc; padding: 8px;">Often asymptomatic; can cause roseola in infants</td> <td style="border: 1px solid #ccc; padding: 8px;">Nearly all children infected by age 2</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication impossible; lifelong latency in white blood cells</td> </tr> <tr> <td style="border: 1px solid #ccc; padding: 8px;">Human Herpesvirus-7 (HHV-7)</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually asymptomatic; mild exanthem in children</td> <td style="border: 1px solid #ccc; padding: 8px;">Very high; nearly universal by adulthood</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication impossible; latent in lymphocytes</td> </tr> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">Herpes Simplex Virus-1 (HSV-1)</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually asymptomatic; cold sores in some</td> <td style="border: 1px solid #ccc; padding: 8px;">~70–90% globally</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication impossible; latent in neurons; antivirals suppress outbreaks</td> </tr> <tr> <td style="border: 1px solid #ccc; padding: 8px;">Herpes Simplex Virus-2 (HSV-2)</td> <td style="border: 1px solid #ccc; padding: 8px;">Often asymptomatic; genital lesions in some</td> <td style="border: 1px solid #ccc; padding: 8px;">~11–20% globally</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication impossible; latent in neurons; antivirals suppress outbreaks</td> </tr> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">Human Papillomavirus (HPV)</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually asymptomatic; some types cause warts or cancers</td> <td style="border: 1px solid #ccc; padding: 8px;">Very high; almost all sexually active adults</td> <td style="border: 1px solid #ccc; padding: 8px;">Partial control via vaccines; eradication unlikely</td> </tr> <tr> <td style="border: 1px solid #ccc; padding: 8px;">Adenoviruses</td> <td style="border: 1px solid #ccc; padding: 8px;">Often mild or asymptomatic; respiratory/GI infections</td> <td style="border: 1px solid #ccc; padding: 8px;">Very common; many serotypes</td> <td style="border: 1px solid #ccc; padding: 8px;">Partial control for some types; eradication impossible</td> </tr> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">Rhinoviruses</td> <td style="border: 1px solid #ccc; padding: 8px;">Often mild cold or asymptomatic</td> <td style="border: 1px solid #ccc; padding: 8px;">Extremely common; hundreds of serotypes</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication impossible; reinfections frequent</td> </tr> <tr> <td style="border: 1px solid #ccc; padding: 8px;">Torque Teno Virus (TTV)</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually asymptomatic</td> <td style="border: 1px solid #ccc; padding: 8px;">&gt;90% adults</td> <td style="border: 1px solid #ccc; padding: 8px;">No intervention needed; low pathogenicity</td> </tr> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">BK Polyomavirus</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually none</td> <td style="border: 1px solid #ccc; padding: 8px;">Most adults seropositive</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication not feasible; latent in kidneys; risk in immunocompromised</td> </tr> <tr> <td style="border: 1px solid #ccc; padding: 8px;">JC Polyomavirus</td> <td style="border: 1px solid #ccc; padding: 8px;">Usually none</td> <td style="border: 1px solid #ccc; padding: 8px;">70–90% seropositive</td> <td style="border: 1px solid #ccc; padding: 8px;">Eradication unlikely; latent in kidneys/brain; disease in immunocompromised</td> </tr> <tr style="background-color: #f2f2f2;"> <td style="border: 1px solid #ccc; padding: 8px;">Parvovirus B19</td> <td style="border: 1px solid #ccc; padding: 8px;">Often asymptomatic; mild rash or none</td> <td style="border: 1px solid #ccc; padding: 8px;">Widespread; most adults seropositive</td> <td style="border: 1px solid #ccc; padding: 8px;">Control not practical; vaccines in development</td> </tr> <!-- You can continue adding remaining viruses in the same format --> </tbody> </table> {/html}
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