CDC Yellow Book
- California encephalitis virus
- campylobacteriosis
- Canary Islands (Spain)
- Candida auris
- Cape Verde
- carbapenemase-producing bacteria
- carbon monoxide (CO) poisoning
- cardiovascular disease [table]
- cardiovascular system, heat injuries and
- Carrión disease
- cat flea rickettsiosis [table]
- cat-scratch disease (CSD)
- Cayman Islands (UK)
- CBC (complete blood count) [table]
- CE (cystic echinococcosis)
- ceftazidime
- cefuroxime axetil
- cellular telephones
- cellular telephone use [table]
- Center for Global Education Safety Abroad First-Educational Travel Information (SAFETI) [table]
- cephalic tetanus
- certolizumab pegol (Cimzia) [table]
- cetuximab (Erbitux) [table]
- chancroid [table]
- Channel Islands
- charcoal, activated
- chemical disinfection of water
- chemical warfare
- chemotherapeutic agents, cancer treatment
- Chernobyl nuclear power plant
- Chiang Mai, Thailand
- child pornography
- Chile
- chloramphenicol
- chloroquine-resistant malaria
- chloroquine-sensitive malaria
- Christmas Island (Australia)
- Chuuk
- Cimzia (certolizumab pegol) [table]
- civets, importation of
- clarification techniques, water
- clarithromycin triple therapy
- Class A and B conditions
- climates
- clinician's letter
- Clostridioides difficile-associated diarrhea
- CO (carbon monoxide) poisoning
- coca
- coccidioidomycosis (valley fever)
- Cocos (Keeling) Islands (Australia)
- cold climate
- colds, common
- cold urticaria
- Colorado tick fever virus
- colostrum, bovine
- combination treatments for jet lag
- commercial medical kits
- common cold
- commuter (recurrent) travelers [table]
- Comoros
- complementary and integrative health approaches
- complement fixation test
- complete blood count (CBC) [table]
- comprehensive expedition insurance policies
- compression stockings
- confirmed human rabies
- Cook Islands (New Zealand)
- Copaxone (glatiramer acetate) [table]
- coronary artery disease
- Cosentyx (secukinumab) [table]
- counterfeit medical products
- coxsackievirus A6 infection
- CPR training
- cremation, importing remains for
- crises abroad, preparing for
- Croatia
- crowd management, deaths related to
- CSD (cat-scratch disease)
- cultural adaptability testing
- Curaçao
- Cusco, Peru
- customer service desk, airport
- Cyprus
- cystic echinococcosis (CE)
- cysticercosis
- cytomegalovirus prophylaxis [table]
- Czech Republic