Final answer:
Prophylaxis for viral hepatitis is available through vaccines for Hepatitis A and B; the latter also protects against Hepatitis D. No vaccine exists for Hepatitis C, but antiviral treatments are available for chronic infections.
Step-by-step explanation:
Prophylaxis against various forms of viral hepatitis is available to prevent infection and related health complications. Vaccines are the primary method of prophylaxis for certain types of viral hepatitis. Vaccination is available to prevent Hepatitis A and Hepatitis B. The Hepatitis A vaccine provides protection against the Hepatitis A virus (HAV), which mainly spreads through the fecal-oral route. The Hepatitis B vaccine is not only protective against the Hepatitis B virus (HBV), but it also offers protection against Hepatitis D virus (HDV), which can only infect an individual already infected with HBV. While immunoglobulin can be used for post-exposure prophylaxis, it's essential to remember that there is no vaccine available against Hepatitis C virus (HCV). However, chronic hepatitis C can be managed with various antiviral treatments.