Body Cutaneous anthrax Cutaneous anthrax follows deposition of the organism onto a cut, sore or abrasion on the skin, occurring particularly on exposed areas of the hands, arms, or face. An area of local edema becomes a pruritic macule or papule, which enlarges and ulcerates after 1-2 days. Small, 1-3 mm...

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Body Chikungunya is a virus transmitted to people by Aedes mosquitoes. There have been no locally acquired chikungunya in California, but cases have been reported in travelers to areas where chikungunya is circulating. Travelers can protect themselves by preventing mosquito bites (See https://www.cdc.gov/chikungunya/prevention/index.html for tips). Chikungunya is reportable in Orange County...

Body The following information is from the Centers for Disease Control and Prevention (CDC) Emerging Infectious Diseases: Bioterrorism-related inhalational anthrax: the first 10 cases reported in the United States, November 8, 2001, available at: www.cdc.gov/ncidod/eid/vol7no6/jernigan.htm . Additional resources and references are available at www.ochealthinfo.com/epi/bio and at http://www.bt.cdc.gov . Inhalational Anthrax There...

Body Anthrax-Microbiology Bacillus anthracis -gram +, spore-forming, bacillus Spores may remain infectious in environment for as long as 50 years Endemic infection in animals Spores enter host, germinate in a macrophage and are transported to regional lymph nodes where local toxins cause edema and death of tissue Humans develop infection naturally...

Body Public Health Alert Attention Infectious Disease Physicians Hospital Emergency Departments Hospital Infection Control Acute Care Clinics Management of Possible Anthrax or Other Bio-Terror Exposures The County of Orange, Health Care Agency (OCHCA) has been receiving many calls regarding the management of patients with possible anthrax exposures. In the event of...

Body Ricin - Information & Recommendations Ricin is a poison that can be breathed in (inhaled), swallowed (ingested) or introduced into the body through a break in the skin (injected). It can be in the form of a powder, a mist, a solid or pellet, or it can be dissolved in...

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Body Critical time sensitive communicable disease information and updates for medical providers. CD Health Alert: Recommendation for the use of Bivalent Pfizer-BioNTech COVID-19 vaccines in children 6 months through 4 year who previously completed a 3-dose monovalent Pfizer-BioNTech primary series March 20, 2023 On March 14, 2023 the FDA authorized the...

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