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Welcome to Public Health's quarterly newsletter on communicable disease, epidemiology and immunizations. Our goal is to better serve those who share Public Health's goals of preventing – and better understanding – communicable diseases. Current subscribers are encouraged to confirm their subscription preferences with our online subscriber form.

Print subscribers: Online references and resources for this edition are all easily accessed via live links in the PDF version below.

Communicable Disease Epidemiology & Immunization Quarterly coverpage

2018 - 1st Quarter Newsletter (PDF)

  • 2017-18 flu season update
  • 2018 revised immunization schedules
  • Oyster-related illnesses
  • Zika vaccine development
  • Caring for infants born to Hep-B-infected women
  • Vaccinating adults: A step-by-step guide
  • Preventing Hep-A outbreak

Past newsletter archives

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Find out when the latest quarterly issue is available as well as when the table for latest cases of selected diseases has been updated below.

Monthly reportable cases of selected diseases in Seattle and King County
See archive of past data tables

Note: These numbers are preliminary and subject to minor changes.
Cases reported in April
Cases reported through April
2018 2017 2018 2017
Campylobacteriosis 51 18 171 78
Chlamydial infections 645 742 3103 3254
Cryptosporidiosis 5 5 16 18
Giardiasis 27 15 129 80
Gonorrhea 340 260 1497 1214
Hepatitis A 0 0 5 1
Hepatitis B (acute) 0 1 3 3
Hepatitis C (acute) 0 2 1 6
Herpes, genital (primary) 2 44 5 288
HIV and AIDS (includes only AIDS cases not previously reported as HIV) 32 18 132 71
Legionellosis 0 2 4 4
Listeriosis 1 2 2 3
Measles 0 0 0 2
Meningococcal Disease 0 0 2 0
Mumps 3 12 8 101
Pertussis 20 0 53 22
Rubella (including congenital rubella) 0 0 0 0
Salmonellosis 21 20 71 67
Shiga toxin producing E. coli (STEC), including E. coli O157:H7 and non-O157) 12 10 23 22
Shigellosis 9 6 61 44
Syphilis, early 57 42 237 199
Syphilis, congenital 0 0 0 0
Syphilis, late 14 19 60 75
Tuberculosis 9 8 30 22
Vibriosis 1 1 1 1
Yersiniosis 2 2 6 4

Contact us

We invite your feedback and participation by emailing us at communicable@kingcounty.gov or use our online comments form. You may also call us at 206-296-4774 or toll-free, 800-325-6165, ext. 6-4774.


Health alerts

The Communicable Disease Epidemiology & Immunization Section will continue to send out timely Health Alerts to those who subscribe to our Info-X Listserv. The listserv is a free service for King County health care providers. Send a request to be added to the list.