In 1930, he succeeded in patenting the Birdseye system of freezing food. Car with Combustion Engine (around 1920): Prior to the 1920s, cars were operated with the help of steam engines and were very expensive. Henry Ford invented the first car with a combustion engine, which was much cheaper than the earlier cars.
Zika fever. Zika fever, also known as Zika virus disease or simply Zika, is an infectious disease caused by the Zika virus. Most cases have no symptoms, but when present they are usually mild and can resemble dengue fever. Symptoms may include fever, red eyes, joint pain, headache, and a maculopapular rash.
Why GAO Did This Study. Emerging infectious diseases constitute a clear and persistent threat to the health and well-being of people and animals around the world. The Zika virus, which at present appears to be primarily transmitted to humans by infected mosquitos, can cause symptoms including fever, rash, and joint pain. A large ongoing outbreak is occurring in Brazil that started in May 2015.