In many cases, these infections are associated with rashes or exanthems. Has a very characteristic rash, usually clinically apparent. It is a -ve polarity ssRNA virus. Measles is the most serious of the childhood infections with relatively high morbidity. Vaccination has reduced the rate of infection dramatically, but it is still an important disease in the developing world.
Systemic infection is acquired by a respiratory route.
Vitamin A deficiency predisposes to serious disease. Therefore pneumonia more common in developing countries - most common cause of death. Otitis media Enteritis - inportant cause of death and morbidity in developing countries. Live attenuated virus has been used 1968. In addition, some sporadic cases of measles may have occurred in persons who were not protected by the vaccine.