Nanotechnology could efficiently deliver hepatitis B vaccine

Researchers are working on nanotechnology delivering an oral vaccine against hepatitis B

Such can cause chronic infection and put people at high risk of death from cirrhosis and liver cancer. The virus is usually transmitted from mother to child during birth and delivery; and via contact with blood or other body fluids. The World Health Organization (WHO) estimates that as of 2015, 257 million people were living with chronic hepatitis B infection.

Both are given by the intramuscular route. An oral vaccine could provide convenience and access to various populations.

The nanostructured silica was conceived by researchers at the University of São Paulo’s Physics Institute (IF-USP) in Brazil. The antigen was created by the…

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