Model How Herd Immunity Works

Isn't the human body incredible? From the complex systems that make it work to the numerous ways we're able to cure illnesses, there are so many fascinating subjects to study when it comes to human biology and health. Are you interested in subjects like how the body works, how best to keep it working, and how to cure everything from a common cough to cancer? Read more

Have you ever wondered why you need to get a flu shot regularly? The vaccine protects you from getting sick with the flu, which is an infectious disease. Such diseases, like the flu or COVID-19, can easily spread through a population and cause a pandemic by making many people sick. Measures such as social distancing can reduce the risk of catching the disease, but real protection only comes from gaining immunity against the disease. This is the reason for vaccinations—to make someone… Read more

Use these free STEM lesson plans and activities to explore science related to viruses, pandemics, and COVID-19 with K-12 students. Science teachers have always taught health, human biology, and microbiology to K-12 students. This year, however, these topics have new urgency and real-world impact. Thanks to the COVID-19 pandemic, students are aware of viruses in new ways. But what makes COVID-19 different than the flu? How does social distancing make a… Read more