Quick Facts: Infections

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Bacterial Infections: Overview

• Overview of Bacteria
  • What are bacteria?
  • What is a bacterial infection?
  • Do all bacteria make you sick?
  • How do you get a bacterial infection?
  • How does your body defend itself against bacteria?
  • How do doctors know you have a bacterial infection?
  • How do doctors treat a bacterial infection?
    • What is antibiotic resistance?
  • How can I prevent bacterial infection?

Bacterial Infections: Anaerobic Bacteria

• Tetanus
  • What is tetanus?
  • What causes tetanus?
  • What are the symptoms of tetanus?
  • How can doctors tell if I have tetanus?
  • How do doctors treat tetanus?
  • How can I prevent tetanus?

• Clostridioides (formerly Clostridium) difficile-Induced Colitis (C. diff)
  • What is C. diff?
  • What causes C. diff?
  • What are the symptoms of C. diff?
  • How can doctors tell if I have C. diff?
  • How do doctors treat C. diff?

COVID-19

• COVID-19
  • What is COVID-19?
  • What causes COVID-19?
    • What is a coronavirus?
  • What are the symptoms of COVID-19?
    • Is COVID-19 fatal?
  • How can I tell if I have COVID-19?
  • How is COVID-19 treated?
  • How can I prevent COVID-19?
  • Quarantine and isolation
  • More Information

Sexually Transmitted Infections (STIs)

• Overview of Sexually Transmitted Infections
  • What are sexual transmitted infections (STIs)?
  • What causes STIs?
  • What are the symptoms of STIs?
  • How can doctors tell if I have an STI?
  • How can I prevent STIs?
    • Practice safe sex
    • Get vaccines (shots)
  • How do doctors treat STIs?

• Chlamydia
  • What is chlamydia?
  • What are the symptoms of chlamydia?
    • Women
    • Men
    • Women and men
  • How can doctors tell if I have chlamydia?
  • How do doctors treat chlamydia?

• Human Papillomavirus (HPV) Infection
  • What is HPV (human papillomavirus)?
  • How do I get an HPV infection?
  • What are genital warts?
  • What are the symptoms of genital warts?
  • How can doctors tell if I have genital warts?
  • How do doctors treat genital warts?
  • How can I prevent genital warts?

• Gonorrhea
  • What is gonorrhea?
  • What are the symptoms of gonorrhea?
    • Women
    • Men
    • Women and men
  • How can doctors tell if I have gonorrhea?
  • How do doctors treat gonorrhea?

• Syphilis
  • What is syphilis?
  • What are the 3 stages of syphilis?
  • What are the symptoms of syphilis?
    • Symptoms of stage 1 (primary) syphilis
    • Symptoms of stage 2 (secondary) syphilis
    • Symptoms of stage 3 (tertiary or late) syphilis
  • How can doctors tell if I have syphilis?
  • How do doctors treat syphilis?

• Trichomoniasis
  • What is trichomoniasis?
  • What causes trichomoniasis?
  • What are the symptoms of trichomoniasis?
    • Women
    • Men
  • How can doctors tell if I have trichomoniasis?
    • Women
    • Men
  • How do doctors treat trichomoniasis?

Immunization

• Overview of Immunization
  • What does immunization mean?
  • What are vaccines?
  • Do vaccines work?
  • Are vaccines safe?
  • Do vaccines cause autism?
  • Who gets vaccines and when?
  • Where can I get more information about vaccines?

Herpesvirus Infections

• Overview of Herpesvirus Infections
  • What are herpesviruses?
  • What infections do herpesviruses cause?
  • How do doctors treat herpesvirus infections?

• Chickenpox
  • What is chickenpox?
  • What causes chickenpox?
  • What are the symptoms of chickenpox?
  • How do doctors tell if I have chickenpox?
  • How do doctors treat chickenpox?
  • How can I prevent chickenpox?

• Herpes Simplex Virus Infections
  • What are herpes simplex virus (HSV) infections?
  • What causes HSV infection?
  • What are the symptoms of HSV infection?
    • Oral herpes
    • Genital herpes
    • Herpes in other areas
  • How can doctors tell if I have HSV infection?
  • How do doctors treat HSV infection?
  • How can I prevent spreading oral or genital herpes?

• Infectious Mononucleosis (Mono)
  • What is infectious mononucleosis?
  • What causes mono?
  • What are the symptoms of mono?
  • How can doctors tell if I have mono?
  • How do doctors treat mono?

• Postherpetic Neuralgia
  • What is postherpetic neuralgia?
  • What causes postherpetic neuralgia?
  • What are the symptoms of postherpetic neuralgia?
  • How can doctors tell if I have postherpetic neuralgia?
  • How do doctors treat postherpetic neuralgia?
  • How can I prevent postherpetic neuralgia?

• Shingles
  • What is shingles?
  • What causes shingles?
  • What are the symptoms of shingles?
  • How can doctors tell if I have shingles?
  • How do doctors treat shingles?
  • How can I prevent shingles?

Human Immunodeficiency Virus (HIV) Infection

• Human Immunodeficiency Virus (HIV) Infection and AIDS
  • What is the human immunodeficiency virus (HIV)?
  • What is acquired immunodeficiency syndrome (AIDS)?
  • What causes HIV infection?
  • What are the symptoms of HIV?
  • How can doctors tell if I have HIV?
  • How do doctors treat HIV?
  • How can I prevent HIV?
  • Where can I learn more about HIV?

Bacteremia, Sepsis, and Septic Shock

• Sepsis and Septic Shock
  • What are sepsis and septic shock?
  • What causes sepsis?
  • What are the symptoms of sepsis and septic shock?
    • Sepsis
    • Septic shock
  • How can doctors tell if I have sepsis?
  • How do doctors treat sepsis?

Biology of Infectious Disease

• Overview of Infectious Disease
  • What is an infection?
    • What are microorganisms?
    • Where do germs come from?
    • Do all germs make people sick?
  • How do people get infections?
  • How does my body defend against infections?
    • Who's at high risk of infection?
  • What are the symptoms of infection?
  • How do doctors tell if I have an infection?
  • How do doctors treat infection?
  • How can I prevent infections?

• Fever in Adults
  • What is a fever?
  • What causes fever in adults?
    • Fever of unknown origin
  • What are the symptoms of fever in adults?
  • When should I see a doctor about a fever?
  • How do doctors treat fever in adults?

Arboviruses, Arenaviruses, and Filoviruses

• Hemorrhagic Fevers Overview
  • What are hemorrhagic fevers?
  • What causes hemorrhagic fevers?
  • What are the symptoms of hemorrhagic fevers?

• Dengue Fever
  • What is dengue?
  • What causes dengue?
  • What are the symptoms of dengue?
    • What is dengue hemorrhagic fever?
  • How can doctors tell if I have dengue?
  • How do doctors treat dengue?
  • How can I prevent dengue?

• Ebola Virus and Marburg Virus Infections
  • What are Ebola and Marburg virus infections?
  • What causes Ebola and Marburg virus infection?
  • What are the symptoms of Ebola and Marburg viruses?
  • How can doctors tell if I have Ebola or Marburg viruses?
  • How do doctors treat Ebola and Marburg viruses?
  • How can I prevent Ebola and Marburg virus infection?

• Hantavirus Infection
  • What is hantavirus?
  • What causes hantavirus infection?
  • What are the symptoms of hantavirus?
  • How can doctors tell if I have hantavirus?
  • How do doctors treat hantavirus?

• Yellow Fever
  • What is yellow fever?
  • What causes yellow fever?
  • What are the symptoms of yellow fever?
  • How can doctors tell if I have yellow fever?
  • How do doctors treat yellow fever?
  • How can I prevent yellow fever?
    • Avoid mosquito bites
    • Get the vaccine if you're going to an area with yellow fever

• Zika Virus Infection
  • What is Zika virus infection?
  • How do people get Zika virus infection?
  • What are the symptoms of Zika virus infection?
  • How does Zika affect babies?
  • How do doctors tell if I have Zika virus infection?
  • How do doctors treat Zika virus infection?
  • How can I prevent Zika virus infection?

Overview of Viral Infections

• Overview of Viral Infections
  • What is a viral infection?
  • How can doctors tell if I have a viral infection?
  • How do doctors treat viral infections?
  • How can I prevent viral infections?

Tuberculosis and Leprosy

• Tuberculosis (TB)
  • What is tuberculosis?
    • What are the stages of TB?
  • What causes TB?
    • Why does TB become active?
  • What are the symptoms of TB?
  • How do doctors tell if I have TB?
    • What are screening tests for TB?
  • How do doctors treat TB?
    • Active TB
    • Latent TB
    • What are resistant bacteria?
  • How do doctors prevent TB from spreading?
    • Is there a vaccine for TB?

• Infections Caused by Bacteria Related to Tuberculosis (TB)
  • What is a MAC infection?
    • MAC infections of the lungs
    • MAC infections of the lymph nodes
    • MAC infection throughout the body
  • What other types of mycobacteria infection do people get?

• Leprosy
  • What is leprosy?
  • What causes leprosy?
  • What are the symptoms of leprosy?
  • How do doctors tell if I have leprosy?
  • How do doctors treat leprosy?
  • How can I prevent leprosy?

Parasitic Infections: Extraintestinal Protozoa

• Malaria
  • What is malaria?
  • What causes malaria?
  • What are the symptoms of malaria?
  • How can doctors tell if I have malaria?
  • How do doctors treat malaria?
  • How can I prevent malaria?

Parasitic Infections: Cestodes (Tapeworms)

• Tapeworm Infection
  • What are tapeworms?
  • What causes tapeworm infection?
    • What kinds of animals can give me tapeworms?
  • What are the symptoms of tapeworm infection?
  • How do doctors tell I have tapeworm infection?
  • How do doctors treat tapeworm infection?
  • How can I prevent tapeworm infection?

Parasitic Infections: Intestinal Protozoa and Microsporidia

• Giardiasis
  • What is giardiasis?
  • What causes giardiasis?
  • What are the symptoms of giardiasis?
  • How can doctors tell if I have giardiasis?
  • How do doctors treat giardiasis?
  • How can I prevent giardiasis?

Parasitic Infections: Nematodes (Roundworms)

• Pinworm Infection
  • What is pinworm infection?
  • What causes pinworm infection?
  • What are the symptoms of pinworm infection?
  • How can doctors tell if I have pinworm infection?
  • How do doctors treat pinworm infection?

Parasitic Infections: Trematodes (Flukes)

• Schistosomiasis
  • What is schistosomiasis?
  • What causes schistosomiasis?
  • What are the symptoms of schistosomiasis?
  • How can doctors tell if I have schistosomiasis?
  • How do doctors treat schistosomiasis?
  • How can I prevent schistosomiasis?

Bacterial Infections: Gram-Negative Bacteria

• Escherichia coli (E. coli) Infections
  • What is E. coli?
  • What causes E. coli infections?
    • E. coli O157:H7
  • What are the symptoms of E. coli infections?
  • How can doctors tell if I have an E. coli infection?
  • How do doctors treat E. coli infections?
  • How can I prevent E. coli infections?

Bacterial Infections: Spirochetes

• Lyme Disease
  • What is Lyme disease?
  • What causes Lyme disease?
  • What are the symptoms of Lyme disease?
  • How can doctors tell if I have Lyme disease?
  • How do doctors treat Lyme disease?
  • How can I prevent Lyme disease?

Bacterial Infections: Gram-Positive Bacteria

• Staphylococcus aureus Infections
  • What is Staphylococcus aureus?
    • What is MRSA?
  • What causes staph infections?
    • What are staph carriers?
  • What are the symptoms of staph infections?
  • How can doctors tell if I have a staph infection?
  • How do doctors treat staph infections?
  • How can I prevent staph infections?

• Streptococcal Infections
  • What are streptococcal (strep) infections?
  • What causes strep infections?
  • What are the symptoms of strep infections?
    • What are the complications of strep infections?
  • How can doctors tell if I have a strep infection?
  • How do doctors treat strep infections?

Respiratory Viruses

• Common Cold
  • What is the common cold?
  • What causes a cold?
  • What are the symptoms of a cold?
  • How can doctors tell if I have a cold?
  • How are colds treated?
  • How can I prevent colds?

• Influenza (Flu)
  • What is influenza?
  • What causes influenza?
  • What are the symptoms of flu?
  • How can doctors tell if I have the flu?
  • How do doctors treat the flu?
  • How can I prevent the flu?

Enteroviruses

• Polio
  • What is polio?
  • What causes polio?
  • What are the symptoms of polio?
  • How can doctors tell if I have polio?
  • How do doctors treat polio?
  • How can I prevent polio?

Fungal Infections

• Candidiasis
  • What is candidiasis?
  • What causes candidiasis?
  • What are the symptoms of candidiasis?
  • How can doctors tell if I have candidiasis?
  • How do doctors treat candidiasis?

Pox Viruses

• Mpox (Monkeypox)
  • What is mpox?
  • What are the symptoms of mpox?
  • How can doctors tell if I have mpox?
  • How do doctors treat mpox?
  • How can I prevent mpox?