Immunizations can prevent many diseases nowadays. It's important to follow the vaccination guidelines recommended on the CDC's vaccination schedule for adults and adolescents in order to stay informed about new vaccines and to learn how often and when the vaccines should be administered. Read more: Vaccination Schedule for Adults and Adolescents Article
Multimedia: Slideshows, Images & Quizzes
Picture of Measles
An acute and highly contagious viral disease characterized by fever, runny nose, cough, red eyes, and a spreading skin rash. See...
Picture of Varicella-Zoster Virus Infection (Face)
Multiple, very pruritic, erythematous papules, vesicles (“dewdrops on a rose petal”), and crusted papules on erythematous,...
Picture of Varicella (Chickenpox) Virus
A highly infectious viral disease, known familiarly as chickenpox. See a picture of the Varicella (Chicken Pox) Virus and learn...
Picture of Varicella Chicken Pox
Varicella Chickenpox is caused by a virus of the herpes group. The disease is highly contagious and is spread by droplet or...
Picture of Varicella-Zoster Virus Infection on Chest Wall
Typical grouped vesicles and pustules with erythema and edema of three contiguous thoracic dermatomes on the posterior chest...
Picture of Varicella-Zoster Virus Infection Close-Up
Grouped and confluent vesicles surrounding erythema on the chest wall. See a Varicella-Zoster Virus Infection: Close-Up and learn...
Physical Exam: Why Does Your Doctor Do That?
Your physical exam is when you need your doctor's expert help. Your health depends on it. Learn how doctors spot high blood...
25 Ways to Stay Well Abroad in Pictures
Explore travel health tips and vaccines to prevent disease while abroad. Learn to protect yourself against malaria, hepatitis,...
Whooping Cough (Pertussis) Symptoms, Vaccine Facts
Whooping cough (bordetella pertussis) is a highly contagious bacterial infection. Read how vaccines and antibiotics could prevent...
Related Disease Conditions
Although a fever technically is any body temperature above the normal of 98.6 F (37 C), in practice, a person is usually not...
Genital Warts (HPV) Infection in Women
Genital warts is a sexually transmitted infection (STI, STD) caused by the human papillomavirus (HPV). It is the most common STD...
Shingles, or herpes zoster, is a painful rash caused by the varicella zoster virus. Other shingles symptoms include headache,...
Pneumonia is inflammation of the lungs caused by fungi, bacteria, or viruses. Symptoms and signs include cough, fever, shortness...
Mercury is a naturally occurring element found in water, soil, and the air. Mercury also is contained in some fish, some of the...
A polio infection causes symptoms and signs such as paralysis, limb deformities, and even death. There is no curative treatment...
Influenza (flu) is a respiratory illness caused by a virus. Flu symptoms include fever, cough, sore throat, runny nose, headache,...
Mumps is an acute viral illness caused by the mumps virus. Symptoms of mumps include fever, headache, muscle aches, tiredness,...
Chickenpox (chicken pox) is a contagious childhood disease caused by the varicella-zoster virus. Symptoms have an incubation...
Whooping Cough (Pertussis)
Whooping cough (pertussis) is highly contagious respiratory infection that is caused by the bacteria Bordetella pertussis. There...
Meningitis is inflammation of the membranes that cover the spinal cord and brain. Symptoms include fever, headache, and a stiff...
Measles (rubeola) is a highly contagious disease that's caused by a virus. Symptoms include a rash, high fever, cough, runny...
Stomach Flu vs. Food Poisoning
The stomach flu (viral gastroenteritis) and food poisoning are not the same infections. However, they do have a few similar...
Hepatitis A (HAV, Hep A)
Hepatitis means inflammation of the liver. Hepatitis A (HAV, Hep A) is one type of liver disease caused by a virus. Since...
Hepatitis B (HBV, Hep B)
The hepatitis B virus (HBV, hep B) is a unique, coated DNA virus belonging to the Hepadnaviridae family of viruses. The course of...
Tetanus is an often-fatal disease caused by nerve toxins produced by the common bacteria Clostridium tetani. In a seven-day...
Meningococcemia is a bloodstream infection caused by Neisseria meningitides. Meningococcemia symptoms include fever, headache,...
Bronchiectasis has three types, 1) cylindrical bronchiectasis, 2) saccular or varicose bronchiectasis, and 3) cystic...
Children's health is focused on the well-being of children from conception through adolescence. There are many aspects of...
Rabies is a viral disease that is transmitted via the bite of an infected animal. Symptoms include fever, headaches, and...
Yellow fever is an infectious disease transmitted by infected mosquitoes. Side effects are rare with the yellow fever vaccine....
Asbestos (Exposure Dangers, Testing, Symptoms)
Asbestos is a mineral fiber that is found in soil and rock. Asbestos exposure occurs when asbestos fibers are disturbed and...
Diphtheria is a disease that causes symptoms and signs such as fever, enlarged lymph nodes, and swallowing problems. Erythromycin...
The cornea is the clear outer layer of the eye. If it is damaged by disease, infection, or injury, vision problems may occur....
Hepatitis A and B Vaccinations
Hepatitis A and hepatitis B are the two most commnon viruses that infect the liver. Hepatitis A and Hepatitis B can be prevented...
Adenovirus infections are common and often have no symptoms. Adenoviruses cause illnesses like bladder infections, diarrhea,...
Pregnancy and Drugs (Prescription and OTC)
Taking prescription medications or over-the-counter drugs or supplements should be discussed with your doctor. There are some...
Acute Flaccid Myelitis (AFM)
Acute flaccid myelitis (AFM) is a condition that affects the nervous system, causing weakening of the muscles and reflexes....
Travelers should prepare for their trip by visiting their physician to get the proper vaccinations and obtain the necessary...
Is Whooping Cough (Pertussis) Contagious?
Whooping cough (pertussis) is a highly contagious respiratory infection caused by Bordetella pertussis. Pertussis is...
Teenagers recognize that they are developmentally between child and adult. Teen health prevention includes maintaining a healthy...
German Measles (Rubella)
German measles is a disease that's caused by a virus. Symptoms include rash and fever for two to three days. The MMR (measles,...
Treatment & Diagnosis
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Medications & Supplements
Prevention & Wellness
- Anti-Vaxxers a Major Global Health Threat: WHO
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- Drones Could Deliver Vaccines in Developing Countries
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- One in Five Pediatricians Drops Families Who Refuse Vaccines: Survey
- Vaccines Rarely Cause Life-Threatening Allergic Reactions: CDC
- Vaccine Combo Shows Promise Against Common, Dangerous Infection
- Infectious-Disease Expert Debunks Common Vaccine Myths
- Preteen Whooping Cough Vaccine Loses Strength Over Time, CDC Finds
- More Americans Support Vaccines: HealthDay/Harris Poll
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- Reminders From States May Boost Timely Vaccination Rates
- Should Vaccination Be a Personal Choice?
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- Expert Q&A: Childhood Vaccine Safety
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