The term opportunistic infection is identified in base64 scheme by the sequence b3Bwb3J0dW5pc3RpYyBpbmZlY3Rpb24=, while the MD5 signature is equal to 8e59d4fb6d856be6dc16b0b57e814340. The ASCII encoding of opportunistic infection in hexadecimal notation is 6f70706f7274756e697374696320696e66656374696f6e.