Any redness or swelling around the stiches, an abnormal colour (maybe blue or yellow in colour). Feel around the stiches to see if there is any heat coming off the area. Just general infection signs really!
if an infected person has no symptoms (they wouldn't know they had this virus)then they could go on and pass it on to others, some which are more vunerable who could die in seroius cases.
Newborns infected with rubella early in the pregnancy may have low birth weight; bruising; bluish-red skin lesions; enlarged lymph nodes; enlarged liver and spleen; brain inflammation; and pneumonia.
Your computer could be infected with something if it suddenly runs slower or begins doing strange things. You can check the Task Manager for any new processes running that you are unfamiliar with. If...