32 / 100 This blood smear showed signs of bacteria - these are the small, dark lines in the middle of the smear. There are several types of bacteria, but these are likely caused by mishandling (the bacteria is transferred from the skin of the person who took the sample). This blood was not acceptable for testing. Through experimentation and careful analysis, these Cellfies have led to medical device breakthrough. Follow along on Twitter @CellfiesNFT and be sure to bring your lab notebook.