Dr. Gordon just sent me this alert from the Department of Health:
Dear HAN Subscriber:
We have just released a DOHMH Alert
concerning Measles in Brooklyn. It is available on the HAN home page ,
is appended to this email, and is also attached as a pdf file. To read
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February 25, 2008
2008 DOHMH HEALTH ALERT # 5: Measles in Brooklyn
1)
Two measles cases have been identified in a family in Brooklyn. The
cases have not travelled outside of New York, indicating exposure to
measles within the City.
2) All clinically suspect cases of measles
(febrile illness accompanied by generalized maculopapular rash) must be
reported immediately (prior to laboratory confirmation) to the New York
City Department of Health and Mental Hygiene at (212) 676-2292 or 2313
(weekdays 9 am to 5 pm). For after hours and weekends, please call
Poison Control 212-764-7667. Suspect cases of measles must be placed in
respiratory isolation immediately.
3) Appropriate clinical specimens should be sent to the NYC DOHMH Public Health Laboratories for testing.
Please
Distribute to All Primary Care Staff, Including Infectious Disease,
Emergency Medicine, Internal Medicine, Pediatrics, Family Medicine, and
Laboratory Medicine and All Infection Control Personnel
Dear Colleagues,
On
February 13, 2008, the New York City Department of Health and Mental
Hygiene (NYC DOHMH) was notified about a confirmed case of measles. The
person had onset of rash on February 7, 2008 (contagious period
2/2-2/12/2008). Subsequently, an unvaccinated household contact
developed measles on 2/17/2008. The index case denies international
travel and had no known contacts with other measles cases. The Bureau
is currently conducting an investigation to try to identify contacts,
as well as the source of initial infection.
Endemic measles
has not been seen in New York City in several years. The confirmation
of a case of measles in a resident of the city without a recent travel
history indicates exposure within the city. Currently, there are
outbreaks of measles in California, United Kingdom, Belgium, and
Israel, as well as endemic measles in much of the developing world.
Over the last year, we have seen several cases of recent travelers with
measles but up to this point no secondary cases have been identified.
The confirmation of a case of measles in an individual without a travel
history suggests the possibility of ongoing transmission of measles
among non-immune individuals within the city.
Measles is an
acute viral illness characterized by a prodrome of fever (101o –
105oF), cough, coryza, conjunctivitis and Koplik’s spots (punctate
blue-white spots on the bright red background of the buccal mucosa).
The measles rash is erythematous, maculopapular and lasts 5-6 days. It
usually starts on the face and proceeds down the body to involve the
extremities last, including the palms and soles. The maculopapular rash
is usually discrete but may become confluent on the upper body. The
rash resolves in the same order that it appeared. Complications such as
diarrhea, otitis media and pneumonia are frequent in young children.
The
diagnosis is confirmed by the serologic testing (ELISA or EIA) of a
blood sample for measles-specific IgM antibody. Because IgM may be
negative in the first 72 hours after rash onset, negative IgM results
in patients that have had a rash for more than 72 hours should be
repeated. The IgM response is detectable for approximately one month
after rash onset; the IgG response persists for years. The NYC DOHMH,
Public Health Laboratory (PHL) is capable of obtaining rapid IgM
results, within 12-24 hours. Most measles IgM testing conducted in the
City is "sent out" to outside laboratories, and may take as long as a
week to obtain results. By notifying NYC DOHMH, we can facilitate more
rapid testing. In clinically compatible cases the NYC DOHMH will
arrange testing to isolate virus from nasopharyngeal aspirates or
throat swabs.
The NYC DOHMH recommends that measles vaccine be
administered to susceptible persons within 72 hours of measles exposure
to interrupt or prevent measles transmission. Susceptible household
contacts of patients with measles, children less than 1 year of age,
pregnant women and high risk immunocompromised persons should be given
immune globulin rather than vaccine, within 6 days of exposure, to
prevent or modify measles. Please note that immune globulin should not
be given to household contacts who have received 1 dose of vaccine at
12 months of age or older unless they are immunocompromised; these
children should receive a second dose of MMR. The recommended dose for
immune globulin is 0.25mL/kg of body weight intramuscularly;
immunocompromised children should be given 0.50 mL/kg. Note that use of
immune globulin may require a delay in vaccination of infants when they
reach 1 year of age.
The successful initiation of measles
post-exposure prophylaxis (PEP) requires rapid intervention. One of the
major delays in institution of measles PEP is delayed reporting.
Clinically suspect cases of measles must be reported immediately to the
NYC DOHMH. Reports should be made at time of initial clinical
suspicion. If you are considering the diagnosis of measles and are
ordering diagnostic testing for measles then you should report the case
at that time. In addition, NYC DOHMH can facilitate rapid measles IgM
testing and results through the PHL.
Specimens should be
collected on all suspected cases and delivered to the NYC DOHMH Public
Health Laboratory at 455 1st Ave, New York, NY 10016. During weekdays
from 9 AM to 5 PM, the specimens should be dropped off at the Central
Specimen Receiving and Shipping Unit, Room 136 (for questions about
specimen collection call: 212-447-6112 or -6156). After business hours
specimens will be placed into appropriate storage until the next work
day. Blood samples for testing should be drawn into red-topped
vacutainer tubes (no additives) and centrifuged. They can be stored
overnight in a refrigerator (not frozen!), if necessary. Urine samples,
nasopharyngeal aspirates and throat swabs can also be refrigerated
overnight. Blood samples should be transported to the lab on ice.
Shaking and thawing should be avoided because they lead to hemolysis.
After hours and on weekends, specimens should be refrigerated (not
frozen) and blood should be centrifuged prior to refrigeration. Notify
the Bureau of Immunization at the numbers given below.
Fever/rash
illness may also be caused by other infections that are also contagious
and require isolation; two examples are rubella and varicella zoster
virus infection. A high index of suspicion must be maintained to avoid
transmission to other patients.
In summary:
1) Report all
suspect measles cases (febrile illness accompanied by generalized
maculopapular rash) immediately (DO NOT WAIT FOR LABORATORY
CONFIRMATION) to the Bureau of Immunization at 212-676-2292, x2313, or
if after hours to Poison Control 212-764-7667;
2) Place all patients with suspected measles in respiratory isolation immediately;
3)
Obtain clinical specimens for diagnostic testing from blood (for both
IgM and IgG to measles), urine, nasopharyngeal aspirates, or throat
swabs, and send for testing at the NYC DOHMH Public Health Laboratory.
4) Offer measles vaccine or immune globulin to susceptible exposed contacts.
Please
contact the Bureau of Immunization if you have any questions (during
business hours: 212-676-2284; after hours, contact the Poison Control
Center at 212-764-7667). As always, your cooperation is appreciated.
Sincerely,
Christopher M. Zimmerman, MD, MPH
Director of Epidemiology and Surveillance
Bureau of Immunization
Division of Disease Control
Jane R. Zucker, MD, MSc
Assistant Commissioner
Bureau of Immunization
Division of Disease ControlDear HAN Subscriber:
What is the point of publishing a bulletin that was addressed to a very specific audience? (“Please Distribute to All Primary Care Staff, Including Infectious Disease, Emergency Medicine, Internal Medicine, Pediatrics, Family Medicine, and Laboratory Medicine and All Infection Control Personnel”)