The term protozoal infection is identified in base64 scheme by the sequence cHJvdG96b2FsIGluZmVjdGlvbg==, while the MD5 signature is equal to 135bf4a7a5dd40f7c31951b5d83ce7fe. The ASCII encoding of protozoal infection in hexadecimal notation is 70726f746f7a6f616c20696e66656374696f6e.