In the present scenario instant messenger is used in many organizations. Though it enables prompt and speed messaging, it do not involve face to face contact .This can sometimes lead to misunderstanding on the part of the receiver up to the level of taking offense at the sender . This can be avoided by adding icons to the messages. There is variety of sites offering free icons or for nominal charge. You can make use of them. There are free medical icons, animal icons, professional icons etc in several varieties and for nominal charges. You will also find icons like free medical icons, buddy icons etc as the part of sale packages. They are given for free having future order in mind. While downloading free medical icons or any other icons you have to be very careful with the spy ware spread.
Fight the virus with vigilance
To avoid the spread of virus, checkout whether the site agrees with any license issue .You can also ask for referrals from acquaintances. Another option is you can create your own icons by designing them on your own by using the soft wares available.