Measles and HIV

• What are viruses classified as in the context of infectious diseases?

  Pathogens
• Why can't viruses be killed by antibiotics?

  Because antibiotics target bacteria, not viruses.
• What are the key characteristics of measles as a viral disease?

  • Highly infectious
  • First symptom: fever
  • Develops red skin rash after about three days
  • Spread through droplets from coughs or sneezes
  • Can cause serious complications
  • Vaccination is common for children
• What is the first symptom of measles?

  Fever
• How is measles transmitted?

  Through droplets when an infected person coughs or sneezes.
• What are the potential complications of measles?

  Damage to the breathing system and brain; can be fatal.
• What is the significance of vaccination against measles?

  • Protects children from a highly infectious disease
  • Reduces the risk of serious complications
  • Helps prevent outbreaks of measles
• What are the key characteristics of HIV as a viral disease?

  • First symptom: flu-like illness
  • Immune system is attacked over time
  • Can lead to late-stage HIV or AIDS
  • Treated with antiretroviral drugs
  • Not a cure, requires lifelong treatment
• What is the first symptom of HIV?

  Flu-like illness
• What happens to the immune system over time in an HIV infection?

  It becomes severely damaged.
• What are the consequences of a severely damaged immune system in HIV patients?

  Increased susceptibility to infections and cancer.
• How do antiretroviral drugs work in HIV treatment?

  • Stop the virus from multiplying
  • Prevent damage to the immune system
  • Allow patients to lead a normal life expectancy
• Are antiretroviral drugs a cure for HIV?

  No, they are not a cure.
• How is HIV transmitted?

  Through exchange of fluids, unprotected sex, or sharing needles.