Virus diseases -- Prevention -- Government policy -- United States. / https://id.loc.gov/authorities/subjects/sh85143818 https://id.loc.gov/authorities/subjects/sh99002416 https://id.loc.gov/authorities/subjects/sh99005269 https://id.loc.gov/authorities/names/n78095330-781 : United States.
Virus-vector relationships -- Congresses. / https://id.loc.gov/authorities/subjects/sh85143832 https://id.loc.gov/authorities/subjects/sh99001533 : National Academy of Sciences Colloquium on Genetic Engineering of Viruses and of Virus Vectors
Viruses -- Brazil -- History. / https://id.loc.gov/authorities/subjects/sh85143833 https://id.loc.gov/authorities/names/n79128015-781 https://id.loc.gov/authorities/subjects/sh99005024 : Silva, Luiz Jacintho da,