Not everyone who is infected by a cold virus actually shows symptoms. In fact, people who seem to experience symptoms like a sore throat and stuffy nose more often may actually have more robust immune systems!

Researchers are developing a flu vaccine with the potential to target many different strains at once. Also, bacterial meningitis may have something to do with special RNA.

SciShow News explores how a diseases that was officially eliminated in the U.S. has made a sudden comeback.

You may have heard the oddly specific advice that pregnant people shouldn't eat soft cheeses, but there's a very good reason for that, and it applies to more than just dairy products.

In this video Paul Andersen explains how immune individuals in a population give the entire group a herd immunity. Concepts of immunity, vaccines, basic reproduction number, and herd immunity threshold are discussed.

You’ve probably heard that taking vitamin C or zinc will keep you from getting sick, but it turns out that those popular cure-alls don't actually work.

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we use antibodies to disrupt the function...

In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system's humoral response guards extracellular terrain against pathogens. Hank also explains B cells,...

It's not too late to get a flu shot! You may have heard that the flu shot this year is "less effective" than in earlier years. That may not mean what you think it means. Less effective is a relative relationship, and in absolute terms,...

If you've had coronavirus, are you immune or can you catch it again? What's this I hear about Multisystem Inflammatory Syndrome? And does hydroxychloroquine work or not? Aaron talks you through the studies and facts about some of the...

Vitamins targeted to women's life stages enhance your health and well-being. If you are pregnant, you can also support the health of your unborn children with the right vitamins.

Biden slams Supreme Court immunity rulingSource: Reuters

The Russian scandal swirling around President Donald Trump makes one thing clear: we have entered one of the most pivotal moments in the history of our Republic. Michael Flynn — Trump’s now-disgraced former National Security Advisor — is...

This Video Explains Privileges and Immunities Clause

This video explains how vaccines have played a crucial role in eradicating deadly diseases throughout history, using the example of polio. It highlights the way vaccines work by training the immune system to create antibodies, leading to...

Since vaccination was discovered in 1769 by Edward Jenner, it has come to become an indispensable part of healthcare. Over the last 50 years, advances in science and technology have allowed us to develop vaccines to diseases at breakneck...

The immune system (or immunity) can be divided into two types - innate and adaptive immunity. This video has an immune system animation. The innate immune system consists of defenses against infection that are activated instantly as a...

Pandemic viruses can spread around the world. Viruses invade our bodies destroying cells and infecting others, but how do they do it? Biology - Cells And DNA - Learning Points. Viruses are deadly, contagious and can spread easily around...

How the contagious and lethal smallpox virus was finally eradicated - 150 years after the first chance to prevent a global outbreak was missed. Biology - Cells And DNA - Learning Points. Smallpox is an acute, contagious disease - one of...

Antibodies combat some of the strongest foreign invaders that enter your body. What are antibodies and how do they work? Biology - Cells And DNA - Learning Points. Whenever a germ or infection enters our body, white blood cells,...

If you're interested in public health then infectious disease epidemiology and transmission dynamics is something that you have to get your head around. This video is all about how communicable diseases (those caused by viruses,...

The arrival of Europeans and creation of the 13 colonies led to immense challenges and profound changes for Indigenous peoples.

This video discusses how happiness, particularly in the context of a happy marriage, can impact immune response to the flu vaccine. Research conducted at the University of Birmingham found that individuals in happy marriages showed a...

Epidemic, Endemic, and Eradication Simulations