<unk>  deaths per million persons in 2012 Worldwide,<unk>  affects around 16 million people yearly. One estimate for 2013 stated it resulted in about 61,000 deaths – down from 138,000 deaths in 1990. Another estimated 195,000 child deaths yearly from the disease worldwide. This is despite generally high coverage with the DTP and DTaP vaccines. Pertussis is one of the leading causes of vaccine-preventable deaths worldwide. About 90% of all cases occur in developing countries. Before vaccines, an average of 178,171 cases was reported in the U.S., with peaks reported every two to five years; more than 93% of reported cases occurred in children under 10 years of age. The actual incidence was likely much higher. After vaccinations were introduced in the 1940s, pertussis incidence fell dramatically to approximately 1,000 by 1976. Incidence rates have increased since 1980. In 2015, rates in the United States were 20,762 people. Pertussis is the only vaccine-preventable disease that is associated with increasing deaths in the U.S. The number of deaths increased from four in 1996 to 17 in 2001, almost all of which were infants under one year. In Canada, the number of pertussis infections has varied between 2,000 and 10,000 reported cases each year over the last ten years, and it is the most common vaccine-preventable illness in Toronto. In 2009 Australia reported an average of 10,000 cases a year, and the number of cases had increased. In the U.S. pertussis in adults has increased significantly since about 2004. In 2017, India had a reported 23,766 reported pertussis cases, making it one of the highest reported number of cases of the year. Other countries, such as Germany, had reported 16,183 cases, while Australia and China had a reported number of 12,114 and 10,390 pertussis cases. US outbreaks An epidemiologist tests blood samples for pertussis during a 2010 outbreak. In 2010, 10 babies in California died and health authorities declared an epidemic with 9 120 cases. They found that doctors had failed to correctly diagnose the babies' condition during several visits. Statistical analysis identified significant overlap in communities with a cluster of nonmedical child exemptions and cases. The number of exemptions varied widely among communities, but tended to be highly clustered. In some schools, more than 75 % of parents filed for vaccination exemptions. The data suggest vaccine refusal based on nonmedical reasons and personal belief exacerbated the outbreak. Other factors included reduced duration of immunity following the acellular vaccine and, the fact that most vaccinated adults and older children had not received a booster shot. In April and May 2012, pertussis was declared to be at epidemic levels in Washington, with 3,308 cases. In December 2012 Vermont declared an epidemic of 522 cases. Wisconsin had the highest incidence rate, with 3,877 cases, although it did not make an official epidemic declaration.
Whooping cough
Common cold
Croup
Post-viral cough
Bronchorrhea
Katrina cough
Dust pneumonia
Allergic rhinitis