The R engine was the Toyota engine used in the 1958 Toyota Crown, the first model to be exported to the United States. Road & Track was unimpressed with the engine on its introduction, noting that it idled quietly but was not capable of very high revolutions per minute.
A Transfusion transmitted infection (TTI) is a virus, parasite, or other potential pathogen that can be transmitted in donated blood through a transfusion to a recipient. The term is usually limited to known pathogens, but also sometimes includes agents such as Simian foamy virus which are not known to cause disease.he virus that causes AIDS is the best known of the transfusion-transmitted infections because of high-profile cases such as Ryan White, a hemophiliac who was infected through factor VIII, a blood-derived medicine used to treat the disease.
Although the risk for transfusion-transmitted HIV infection is extremely low in the United States, transfusion should be considered along with other possible sources of HIV infection in a patient who has no other HIV risk factors.