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1.
Travel Med Infect Dis ; 23: 27-33, 2018.
Article in English | MEDLINE | ID: mdl-29621623

ABSTRACT

BACKGROUND: Ships destined for, or departing from, U.S. ports of entry must report certain signs and symptoms of potentially communicable diseases of public health interest among travelers to the Division of Global Migration and Quarantine (DGMQ) at the Centers for Disease Control and Prevention. METHODS: We reviewed ships' varicella case and outbreak reports from January 2010 through December 2015. RESULTS: DGMQ received 967 reports of varicella and 13 reports of herpes zoster. Most varicella case-patients were 20-49 years of age (84.7%, 472/557) and were cruise ship crew members (78.4%, 758/967). Most often, cruise ship crew member case-patients were born in or held passports from Indonesia (21.7%, 80/369), Philippines (17.6%, 65/369), or India (17.3%, 64/369). Ninety-nine varicella outbreaks were reported, including 439 varicella cases and one herpes zoster case; 97 (98.0%) outbreaks occurred on cruise ships, and 90.2% of associated cases were among crew members (397/440). Most varicella cases were in crew members, who are adults often from tropical regions where varicella immunity is acquired later in childhood or young adulthood or without varicella vaccination programs. CONCLUSION: Varicella vaccination as appropriate for susceptible travelers, particularly crew members, before maritime travel may decrease risk of varicella infection and prevent outbreaks on ships.


Subject(s)
Chickenpox/epidemiology , Chickenpox/mortality , Ships , Travel , Adolescent , Adult , Chickenpox/prevention & control , Child , Child, Preschool , Disease Notification , Female , Humans , Infant , Male , Middle Aged , Public Health , Quarantine , United States/epidemiology , Young Adult
2.
Travel Med Infect Dis ; 19: 16-21, 2017 Sep.
Article in English | MEDLINE | ID: mdl-29037979

ABSTRACT

BACKGROUND: Deaths and certain illnesses onboard ships arriving at US ports are required to be reported to the US Centers for Disease Control and Prevention (CDC), and notifications of certain illnesses are requested. METHODS: We performed a descriptive analysis of required maritime illness and death reports of presumptive diagnoses and requested notifications to CDC's Division of Global Migration and Quarantine, which manages CDC's Quarantine Stations, from January 2010 to December 2014. RESULTS: CDC Quarantine Stations received 2891 individual maritime case reports: 76.8% (2221/2891) illness reports, and 23.2% (670/2891) death reports. The most frequent individual illness reported was varicella (35.9%, 797/2221) and the most frequently reported causes of death were cardiovascular- or pulmonary-related conditions (79.6%, 533/670). There were 7695 cases of influenza-like illness received within aggregate notifications. CDC coordinated 63 contact investigations with partners to identify 972 contacts; 88.0% (855/972) were notified. There was documentation of 6.5% (19/293) receiving post-exposure prophylaxis. Three pertussis contacts were identified as secondary cases; and one tuberculosis contact was diagnosed with active tuberculosis. CONCLUSION: These data provide a picture of US maritime illness and death reporting and response. Varicella reports are the most frequent individual disease reports received. Contact investigations identified few cases of disease transmission.


Subject(s)
Centers for Disease Control and Prevention, U.S./statistics & numerical data , Ships/statistics & numerical data , Travel/statistics & numerical data , Humans , United States
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