Update on Vaccine-Derived Poliovirus Outbreaks --- Democratic Republic of the Congo and Horn of Africa, 2017--2018

Published on March 7, 2019

During 2017-2018, four circulating vaccine-derived poliovirus (cVDPV) type 2 outbreaks, with 42 cases to date, occurred in six provinces of the Democratic Republic of the Congo and required multiple response supplementary immunization activities. In Somalia, concurrent cVDPV type 2 and cVDPV type 3 outbreaks occurred, first identified by sewage testing months before occurrence of 12 paralytic cases to date.

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Notes from the Field: Identifying Risk Behaviors for Invasive Group A Streptococcus Infections Among Persons Who Inject Drugs and Persons Experiencing Homelessness - New Mexico, May 2018

February 28, 2019
In the spring of 2018, the New Mexico Department of Health (NMDOH) contacted CDC about an increase in the number and prevalence of invasive group A Streptococcus (GAS) infections reported through New Mexico's Active Bacterial Core surveillance (ABCs) system.

Notes from the Field: Tetanus in an Unvaccinated Child --- Oregon, 2017

March 7, 2019
In 2017, a boy aged 6 years who had received no immunizations sustained a forehead laceration while playing outdoors on a farm; the wound was cleaned and sutured at home. Six days later, he had episodes of crying, jaw clenching, and involuntary upper extremity muscle spasms, followed by arching of the neck and back (opisthotonus) and generalized spasticity.