How do viruses get into the body? | Ask A Biologist
Mar 23, 2020 · What is a virus? Before talking about how viruses work, let’s take a look at what a virus is, exactly. A virus is a kind of infectious particle, made of genetic code in a protective …
Virus - Ask A Biologist
Feb 16, 2011 · The virus parts come together to make full viruses that escape from the cell. Each new virus can infect another cell, repeating the infection cycle. Proteins on the virus bind to …
Virus | Ask A Biologist
Step two is to make more viruses. Once inside, the virus adds its genome blueprint to the cell. The cell doesn't know that the new blueprint is from the virus, so it follows the instructions to …
How do viruses get into the body? | Ask A Biologist
Mar 23, 2020 · What is a virus? Before talking about how viruses work, let’s take a look at what a virus is, exactly. A virus is a kind of infectious particle, made of genetic code in a protective …
Are viruses alive? - Ask A Biologist
Mar 7, 2020 · The virus that causes COVID-19 has a lipid shell so it can be deactivated using soap. Viruses with protein coatings like the rhinoviruses and adenoviruses that cause the …
T-cells - Ask A Biologist
Feb 16, 2011 · Antigens work like identification tags that give your immune system information about your cells and any intruders. Healthy cells have 'self-antigens' on the surface of their …
What is herd immunity? | Ask A Biologist
Does natural herd immunity work? Waiting for natural herd immunity doesn't usually work, as high levels of immunity can take a long time to develop. If we hadn't developed a smallpox vaccine, …
What Do Viruses Do When They Are Dormant? | Ask A Biologist
Oct 17, 2018 · When it reaches the neuron’s nucleus, it does not go through the same lytic infection cycle. Instead of replicating, it does something unusual - the virus goes dormant. This …
Memory B-Cell - Ask A Biologist
Aug 4, 2011 · After all the work it took to get rid of that first infection, it would be a shame to have to do it all over again. An amazing feature of your immune system is that it remembers the …
What do vaccines do for your body? | Ask A Biologist
Nov 12, 2020 · The body is a battlefield. Germs are constantly trying to invade our bodies any way they can. Our immune systems work hard to prevent that from happening. The immune …