Whether TTV is a hepatitis viral remains further study.

TTV是否嗜肝病毒，有待进一步研究。

youdao

It is a major global health problem and the most serious type of viral hepatitis.

它是一个重要的全球卫生问题，也是最严重类型的病毒性肝炎。

youdao

Unsafe practices in hospitals abound, contributing, among other things, to the spread of viral hepatitis.

医院中存在大量不安全做法，这尤其会导致病毒性肝炎的蔓延。

youdao

There's no known cure for hepatitis B, although the virus can be kept in check with anti-viral medicines.

VOA: standard.2010.07.26

On World Hepatitis Day, let us raise awareness of the global health threat of viral hepatitis, renew our support for those living with the disease, and recommit to a future free of this tragic illness.

WHITEHOUSE: Presidential Proclamation -- World Hepatitis Day, 2012

On World Hepatitis Day, we call attention to this silent epidemic, and we rededicate ourselves to the fight against viral hepatitis.

WHITEHOUSE: Presidential Proclamation -- World Hepatitis Day, 2012

Millions of Americans are affected by viral hepatitis, and too many do not know they are infected.

WHITEHOUSE: World Hepatitis Day