Disease transmission is possible 24 hours a day, every day. The HIV virus is 450 times smaller than a human sperm. The risk of fatal infection is quantifiably significant. 11 Condom use was not significantly associated with protection against infection. It is not.
Condoms are cold, heat, pressure, ozone and time sensitive.
The latex membrane is .038 inches thick. 30 minutes in a wallet in back pocket of jeans will begin to effect the latex due to heat and pressure. Two hours in a loose pocket will begin to effect efficacy of condoms due to body heat. Condoms left in a glove box of a car will be subject to heat destruction as car interior temperatures can become extreme. Time lapse between manufacture and retail sales of condoms is often four months.