The field of healthcare science known as clinical research evaluates the efficacy and safety of treatments, equipment, diagnostic tools, and drugs designed for human use. This is accomplished through clinical trials. The field of healthcare science known as clinical research evaluates the efficacy and safety of treatments, equipment, diagnostic tools, and drugs designed for human …
Hepatitis B vaccine can prevent hepatitis B. Hepatitis B is a liver condition that can result in a short-lived, mild illness or a severe, chronic condition. The hepatitis B vaccine is accessible to people of all ages. All newborns, all children or teenagers under the age of 19, all people aged 19 through 59, and …
Hepatitis A is a serious liver disease. A liver inflammation known as hepatitis A can result in a mild to severe sickness. Lack of access to clean water, inadequate sanitation, and unhygienic living conditions all increase the risk of contracting hepatitis A. When a person unintentionally consumes the virus from objects, food, or drinks that …
A dangerous condition called rabies almost always ends in death. The central nervous system is affected by the rabies virus. Its symptoms, which precede coma and death, can appear days to years after exposure and include delirium (confusion), strange behavior, hallucinations, hydrophobia (fear of water), and insomnia. People who come into contact with an infected …
Yellow fever vaccine is a live vaccine containing weakened, live yellow fever virus and it is given as a single shot. One dose provides lifelong protection for most people. This vaccine is the only cure for yellow fever. Yellow fever is a serious disease caused by the yellow fever virus. This virus is spread by …
Tdap vaccine protects against tetanus, diphtheria, and whooping cough (pertussis). The Centers for Disease Control and Prevention (CDC) recommends Tdap vaccination for all children beginning at the age of 11 or 12. The CDC recommends Td or Tdap vaccine booster shots throughout adulthood. One dose of Tdap vaccine is recommended for: Children aged 7 to …
The MMR vaccine is very effective at protecting people against measles, mumps, and rubella, and preventing the complications caused by these diseases. People who receive MMR vaccination according to the U.S. vaccination schedule are usually considered protected for life against measles and rubella. While MMR provides effective protection against mumps for most people, immunity against …
The influenza (flu) virus infects the nose, throat, and lungs, causing a contagious respiratory illness. Some people, such as the elderly, young children, and those with certain medical conditions, are more vulnerable to serious flu complications. Types A and B influenza viruses are the most common. Each year, seasonal flu epidemics are caused by the …
The varicella-zoster virus causes chickenpox, a highly contagious disease. It can result in an itchy, searing rash. The symptoms appear first on the chest, back, and face, then spread all through the body, causing between 250 and 500 itchy blisters. Varicella can be fatal, particularly in babies, adolescents, adults, pregnant women, and people whose bodies …
Tetanus is an uncommon but very serious disease caused by spores of bacteria found in the environment. Make sure you and your loved ones are up to date with your tetanus vaccination so you can enjoy being outdoors safely. The United States sees an average of about 30 reported cases each year. Nearly all cases …