Infectious Disease Control

Infectious disease control is a core mission of the Centers for Disease Control and Prevention (CDC), which works to prevent, detect, and respond to diseases that threaten public health. From common illnesses like influenza to serious conditions like HIV and emerging threats, the CDC’s infectious disease programs address more than 400 diseases, health threats, and conditions that are major causes of death, disease, and disability in the United States. Understanding how the government tracks, prevents, and manages infectious diseases helps Americans protect themselves and their communities.

Prevention Through Vaccination and Protection

Vaccination is one of the most effective tools for preventing infectious diseases. The CDC recommends vaccinations for diseases like measles, pertussis, flu, and hepatitis—especially for children and at-risk adults. When traveling internationally, understanding which vaccinations you need helps protect you from diseases common in other regions. Beyond vaccines, simple daily practices matter: handwashing is a proven defense against disease, and protecting yourself from mosquitoes and ticks prevents vector-borne illnesses like West Nile virus. If travel warnings concern you, CDC Travel Health Notices provide guidance on disease risks in specific destinations.

Detecting and Tracking Disease Outbreaks

The CDC tracks disease through sophisticated surveillance systems that identify outbreaks and monitor disease spread in real-time. Hospitals and healthcare providers report cases to public health agencies, which feed data into CDC systems to create a comprehensive picture of disease activity across the nation and globally. This surveillance network allows public health officials to respond quickly to emerging threats and provide alerts to healthcare workers and the public.

Managing Specific Infectious Disease Threats

Certain infectious diseases require specialized attention and resources. STIs require prevention, testing, and treatment strategies, while HIV prevention, testing, and treatment programs combine medical care with support services. For those living with HIV, the Ryan White HIV/AIDS Program provides comprehensive services and support for eligible individuals. Additionally, understanding antibiotic resistance is critical as bacteria increasingly develop defenses against antibiotics—making infection prevention and appropriate antibiotic use essential for public health.