The term progressive vaccinia is identified in base64 scheme by the sequence cHJvZ3Jlc3NpdmUgdmFjY2luaWE=, while the MD5 signature is equal to fb9bee7cd86bf57a38f6d36aa128cb98. The ASCII encoding of progressive vaccinia in hexadecimal notation is 70726f67726573736976652076616363696e6961.