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Whooping cough (/ ˈ h uː p ɪ ŋ / or / ˈ w uː p ɪ ŋ /), also known as pertussis or the 100-day cough, is a highly contagious, vaccine-preventable bacterial disease. [1] [10] Initial symptoms are usually similar to those of the common cold with a runny nose, fever, and mild cough, but these are followed by two or three months of severe coughing fits. [1]
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
A lingering outbreak of pertussis — or 100-day cough — and stubbornly infectious flu strain have kept higher numbers of New Yorkers hacking recently after months of battling a particularly ...
The respiratory illness is known as whooping cough or pertussis, and health departments in Stroudsburg, Pennsylvania, and Suffolk County, New York, have both recently alerted the public of ...
Bordetella pertussis is a Gram-negative, aerobic, pathogenic, encapsulated coccobacillus bacterium of the genus Bordetella, and the causative agent of pertussis or whooping cough. Its virulence factors include pertussis toxin , adenylate cyclase toxin , filamentous haemagglutinin , pertactin , fimbria , and tracheal cytotoxin .
European countries have reported a surge in whooping cough cases in 2023 and the first quarter of 2024, with 10 times as many identified as in each of the previous two years. In total, nearly ...
The U.S. is experiencing more than four times as many whooping cough cases compared with last year — a spike that some experts attribute to post-pandemic vaccine fatigue. “With the increase in ...
H5N1 flu is a concern due to the fact that its global spread may constitute a pandemic threat. The yardstick for human mortality from H5N1 is the case-fatality rate (CFR); the ratio of the number of confirmed human deaths resulting from infection of H5N1 to the number of those confirmed cases of infection with the virus. For example, if there ...