Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 2 of 2 for Complex virus
  1. Immune System and Disorders (National Library of Medicine)  
    ... the immune system? Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other diseases. When germs such as bacteria or viruses invade your body, they attack and multiply. This ...
  2. Birth Defects (National Library of Medicine)  
    ... Infections during pregnancy. For example, infection with Zika virus during pregnancy can cause a serious defect in ...