According to the CDC, after a push from hospitals to better prevent staph infections, the percentage of people affected has dropped dramatically. However, staph infections are still prominent and a cause for concern among healthcare professionals, especially new antibiotic-resistant strains. In the U.S., the incidence of staph infection is around 38.2 to 45.7 per 100,000 person-years, whereas other First World countries have an average incidence rate of 10 to 30 per 100,000 person-years. References


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Most are mild and by the age of 10-years, most children have had at least one adenovirus infection.Adenoviruses are the most common viruses causing an inflamed throat. 75% of conjunctivitis cases are due to adenovirus infection. Under two-year olds are particularly susceptible to adenovirus gastroenteritis by types 40 and 41, with type 41 being more common than type 40. Some large studies have revealed type 40/41 adenovirus as one of the second most common causes of diarrhoea in children in low and middle income countries; the most common being rotavirus. In 2016, the Global Burden of Disease Study estimated that globally, around 75 million episodes of diarrhea among children under the age of five-years, were attributable to adenovirus infection, with a mortality of near 12%.Research in adenovirus infection has generally been limited relative to other respiratory disease viruses. The impact of type-40/41 adenovirus diarrhoea  is possibly underestimated. History
The first adenoviral strains were isolated from adenoids in 1953 by Rowe et al. Later, during studies on rotavirus diarrhoea, the wider use of electron microscopy resulted in detecting previously unrecognized adenoviruses types 40 and 41, subsequently found to be important in causing gastrointestinal illness in children.The illness made headlines in Texas in September 2007, when a so-called "boot camp flu" sickened hundreds at Lackland Air Force Base in San Antonio. In 2018, outbreaks occurred in an adult nursing home in New Jersey, and a college campus in Maryland.