Bacterial & Viral Infections

• West Nile Virus

  The threat of West Nile virus has made getting a mosquito bite a cause for concern. What is West Nile virus, and what can you do to prevent it?

• What Is Herd Immunity?

  Herd immunity is when many people are immune to a contagious infection, so it’s harder for that infection to spread in a community. Learn more.

• When Is an Illness Contagious?

  How do you know when a child’s illness is in the contagious stage? Find out here.

• Whooping Cough (Pertussis)

  Pertussis causes severe coughing spells that sometimes end in a whooping sound when the person breathes in. It can be prevented with the pertussis vaccine, part of the DTaP immunization.

• Yersiniosis

  Yersiniosis is an uncommon infection caused by the consumption of undercooked meat products, unpasteurized milk, or water contaminated by the bacteria.

• Your Child’s Vaccines

  Questions about the COVID-19 vaccine? Find answers here!

• Zika Virus

  Zika is a virus that a person can catch if bitten by an infected mosquito. Outbreaks of the virus have happened throughout the world, particularly in tropical areas where certain types of mosquitoes live.