A call for a pertussis surveillance system.
D000569:Americas; D003625:Data Collection; D003695:Delivery of Health Care; D019049:Developed Countries; D003906:Developing Countries; D004194:Disease; D004812:Epidemiologic Methods; D005069:Evaluation Studies as Topic; D006262:Health; D006296:Health Services; D007114:Immunization; D007239:Infections; D007390:International Agencies; D009325:Nausea; D009934:Organization and Administration; D009938:Organizations; D010175:Pan American Health Organization; D011320:Primary Health Care; D015203:Reproducibility of Results; D012106:Research; D012107:Research Design; D012141:Respiratory Tract Infections; D012816:Signs and Symptoms; D014480:United Nations; D014839:Vomiting; D014944:World Health Organization
Americas; Critique; Data Collection; Data Reporting; Delivery Of Health Care; Developed Countries; Developing Countries; Diseases; Epidemiologic Methods; Health; Health Services; Immunization; Infections; International Agencies; Measurement; Nausea; Obstacles; Organization And Administration; Organizations; Paho; Primary Health Care; Reliability; Research Methodology; Respiratory Infections--prevention and control; Signs And Symptoms; Un; Vomiting; Who