HIV infection leads to AIDS, causing immune system failure. Nearly 1 million people die annually from HIV/AIDS globally. Disease is particularly severe in Sub-Saharan Africa
Menveo is a vaccine containing parts of Neisseria meningitidis bacteria. Available as powder and solution for injection. Protects against invasive disease in adults and children from age two
Variolation practices began around 200 BCE. Lady Mary Wortley Montagu introduced smallpox inoculation to Europe in 1721. Edward Jenner created first successful smallpox vaccine in 1796
Sepsis is a leading cause of death worldwide, with 48.9 million cases in 2020. Almost half of cases occur in children under 5 years. For every 1000 hospitalized patients, 15 develop sepsis. Hospital-wide cost exceeds US$32,000 per patient in high-income countries
Chinese practiced variolation in 11th century to protect against smallpox. Edward Jenner invented first smallpox vaccine in 1796. Louis Pasteur developed rabies vaccine in 1885
Bed bug bites are 0.2-0.5 cm in diameter and appear in lines. Bites are red, swollen, and itchy like other insect bites. Allergic reactions may include hives, swelling, or pus. Full body reaction takes up to 2 weeks