Tests at a busy airport showed that "self check-in kiosks had the largest collection of bacteria most likely to make you sick.": insuranceQuotes (InsuranceQuotes)

"COVID-19 transmits when droplets reach the nose/mouth/eyes, or when people touch their nose/mouth/eyes after touching droplet contaminated surfaces": Frontiers in Medicine (Rodriguez)

"He was surprised at how much gut and fecal bacteria were on the [touchscreen] machines, concluding that many people did not wash their hands before they used them.": Senior Lecturer in Microbiology at London Metropolitan University (Cole)

"So many people are touching [touchscreens] day in and day out. Someone who's infected could touch the screen and it's a great place for viruses to be deposited.": epidemiologist (Baron)

"[Modeling] suggests fomites [contaminated objects], through enhancing the overall transmission rate, may have contributed to as much as 25% of the deaths following lockdown.": Epidemiology and Infection (Meiksin)

"Much of the bacteria found on surfaces in public areas originates from people's intestines, gut, nose, mouth, throat, and feces and is a result of poor hand hygiene.": Touchscreens, Vectors of Infectious Disease (Ziemianski)

"Enteric bacteria were more common on grocery store touch screens than on hospital computer touch screens.": American Journal of Infection Control (Gerba)

"Warm touchscreens contacted by many people... are ideal hosts and transmitters of infectious disease.": Touchscreens, The Mosquito of the Digital Age (Rolfe)

"Those voting in person [on touchscreen systems] very much risk transmitting or receiving several communicable diseases, including the new coronavirus.": Touchscreen Voting in the Coronavirus Era (Coleman)

"Low intensity transmission occurred without prolonged close contact in this mall; that is, the virus spread by indirect transmission.": Emerging Infectious Diseases (Cai)

"The effectiveness of cleaning and disinfection of the surfaces tested was not satisfactory.": The Open Nursing Journal (Santos)

"Disinfection of semi-critical health care products with alcohol 70%, or in an approximate concentration, is not generally safe.": Revista Latino-Americana de Enfermagem (Latin American Journal of Nursing) (Ribeiro)

"COVID-19 ... spread is more likely when people are in close contact... defined as (a) being within approximately 6 feet ...or (b) having direct contact with infectious secretions ... Certain surfaces and objects in public spaces, such as shopping carts and point of sale keypads, should be cleaned and disinfected before each use.": Centers for Disease Control and Prevention (CDC 2020)