Editorial.
D004197:Disease Reservoirs; D006506:Hepatitis A / Q000517:prevention & control; D006509:Hepatitis B / Q000209:etiology; D006518:Hepatitis Viruses; D006801:Humans; D013242:Sterilization; D005719:gamma-Globulins / Q000627:therapeutic use
D005719:gamma-Globulins