There are three types of influenza viruses, namely type A, B and C.
It is impossible to tell the difference between influenza A and B from the symptoms that you have, but influenza C causes a much milder illness resembling a cold.
It is important to note that one may be infected with influenza A, B and C in the same winter, or in successive winters, as these viruses differ significantly from one another.
Symptoms of flu
How do people get flu?
1918 - why the flu spread so rapidly