MRSA bacteria are pathogenic, this is the name given to a group of bacteria that belong to the Staphylococcus aureus family of bacteria which have grown resistant to methicillin-type antibiotics....
Measles are infact pathogenic. As it is an infectious disease and the pathogens are infectious viruses and the leucocytes/leukocytes and phagocytes (white blood cells) can't cope with them.