Protective effectiveness of Hepatitis A

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What heavy aggregates are available for protective concrete in your country?

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Arvind Singh

Have a look at this useful link.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5328215/pdf/khvi-13-02-1264798.pdf

Luis Rodrigo

Active vaccination is the commonest use recommended

Chen Stein Zamir

please see Conference Paper HEPATITIS A

and https://www.vhpb.org/

Chuck A Arize

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5328215/