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.
Since 1972, the blood supply has been screened for Hepatitis B in the U.S., making the risk of transfusion-transmitted HBV extremely rare. Hepatitis C virus. Hepatitis C is a contagious liver disease caused by the Hepatitis C virus (HBV). Hepatitis C is the most common chronic bloodborne infection in the United States.owever, any bloodborne pathogen has the potential to be transmitted by blood transfusion. Transfusion-transmitted infections (TTIs) are infections resulting from the introduction of a pathogen into a person through blood transfusion.