There, researchers are developing a test that uses human saliva instead of blood to find those infected with malaria.

VOA: special.2010.04.20

What if I collect that blood from patients that are already infected with Hepatitis B, purify the Hepatitis B protein, and inject that back into people?

如果我采集那些乙肝患者的血液,抽提出乙肝病毒的蛋白质,并且将其回注入人体内,将会如何呢

耶鲁公开课 - 生物医学工程探索课程节选

So, if you look in the blood of patients that are infected with Hepatitis B you find a lot of Hepatitis B surface subunits, proteins without the nucleic acid circulating in their blood.

因此,如果你观察一下,已经感染乙肝病毒患者的血液,你会发现许多乙肝病毒的表面亚基,以及血液循环中存在没有核酸的蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

The other was its ability to reduce the amount of virus in the blood of people who became infected during the study.

VOA: special.2009.09.30

The other was the vaccine's ability to reduce the amount of virus in the blood of people who became infected during the study.

VOA: special.2009.10.13

Those infected need to have yearly ultrasounds and blood tests to screen for early stages of liver cancer.

VOA: standard.2010.07.26