County of Los Angeles
Department of Public Health
Acute Communicable Disease Control
313 N. Figueroa Street, Room 212
Los Angeles, CA 90012
Phone: (213) 240-7941
Fax: (213) 482-4856
E-Mail:acdc2@ph.lacounty.gov
Have questions about things like where to go for vaccinations or
other health care
services?
Call 2-1-1.
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Acute Communicable Disease Control
Measles (Rubeola)
Measles is a vaccine-preventable disease caused by a paramyxovirus and is transmitted by contact
with respiratory droplets or by airborne spread. Common signs and symptoms of measles include
fever, cough, conjunctivitis, runny nose, photophobia, Koplik spots, and a generalized maculopapular
rash. Severe complications are rare, but can include acute encephalitis and death from respiratory
or neurologic complications. Immunocompromised individuals are more likely to develop complications.
All persons who have not had the disease or who have not been successfully immunized are susceptible.
The minimum clinical criteria for measles are fever of at least 101°F, a generalized rash lasting at
least three days, and either cough, coryza, or conjunctivitis. A case is confirmed by a
positive IgM titer or a four-fold increase in acute and convalescent IgG titers.