You can see what packages Fedora has for clamav using: sudo yum list clamav*
It may be that you need to install the clamav-scanner package.
Code:
BASH:~/-> sudo yum info clamav-scanner
Loaded plugins: langpacks, presto
Available Packages
Name : clamav-scanner
Arch : noarch
Version : 0.97.6
Release : 1600.fc16
Size : 22 k
Repo : updates
Summary : Clamav scanner daemon
URL : http://www.clamav.net
License : GPLv2
Description : This package contains a generic system wide clamd service which is
: e.g. used by the clamav-milter package.