Provided herein are engineered cell lines. In some embodiments, cells of an engineered cell line have altered expression of a gene and/or altered expression of an miRNA, wherein the altered expression results in increased or decreased production of a virus. The virus is a picomavirus, such as a poliovirus or Enterovirus 71. Also provided herein are methods for using the engineered cells to produce virus, and methods for treating a subject having or at risk of having a viral infection.

At least one novel virus capable of infecting crazy ants (Nylanderia fulva) is isolated, along with polynucleotide sequences and amino acid sequences of the virus. The virus is capable of be used as a biopesticide to control populations of crazy ants.

An oncolytic poxvirus encoding a truncated human CD19 is used in conjunction with a chimeric antigen receptor to treat solid tumors.

An oncolytic poxvirus encoding a truncated human CD19 is used in conjunction with a chimeric antigen receptor to treat solid tumors.