More than third of world's population has been infected with hepatitis B virus

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Abstract
EDITOR—The news items on the prevalence of hepatitis B infection is incorrect and the accompanying artificially coloured photograph is misleading.1 Electron micrographs are usually negatively stained (figure). Electron micrograph of hepatitis B virus (double shelled particle) and excess surface antigen protein (tubular forms and small spherical particles) (magnification ×252 000) More than a …