Once infected, people will immediately dirty body damage.

一旦感染，会立即对人的脏体造成伤害。

youdao

A child once infected with the measles is safe from having it a second time.

曾经患过麻疹的孩子不会有再患的危险。

youdao

Once infected with HIV, but also easy to become AIDS transmission from urban to rural Bridges.

而一旦感染艾滋病毒，又轻易成为艾滋病从城镇向农村传播的桥梁。

youdao

People think that once you get infected one time you develop immunity for the rest of your life.

VOA: special.2011.04.20

Once infected, a computer becomes connected to a botnet that is still active today.

FORBES: Anti-Mining Group In Vietnam Hit With Botnet-Building Malware

Once infected, a person is immune from further infection for life.

BBC: Infection risk posed by cats revealed

Once infected, there is no cure, but if discovered, the disease can be managed, and the risk of cancer or other complications can be significantly reduced.

WHITEHOUSE: Hepatitis B and the AAPI Community