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 shell. Most …

Feb 16, 2011 · How Does a Virus Work? You might not think that simple viruses could take over your complex cells, but they do all the time. This is very important to viruses since they don’t have the …

Oct 17, 2018 · When a virus infects our cells, it can do a lot of damage. But, in some cases, certain viruses get into a cell and go dormant, kind of like they are taking a nap. If we are going to better …

Mar 7, 2020 · But they have found other ways to make new viruses. This is done by inserting virus genetic material into a host cell. This causes the cell to make a copy of the virus DNA, making more …

Feb 16, 2011 · T-cells are a type of white blood cell that work with macrophages. Unlike macrophages that can attack any invading cell or virus, each T-cell can fight only one type of virus. You might think …

Aug 4, 2011 · Memory Cells If your body fights a virus once, the same virus will probably try to attack again. After all the work it took to get rid of that first infection, it would be a shame to have to do it all …

How does a virus work? You might not think that simple viruses could take over your complex cells, but they do all the time. This is very important to viruses since they don’t have the machinery to make …

Nov 12, 2020 · Every year, vaccines protect millions of people from getting sick. But how, exactly, do vaccines work? Learn the science behind how vaccines protect us from disease. Also in: Português | …

Nov 16, 2020 · 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 …

Oct 1, 2018 · How Do Immune Systems Work?Chicken pox are blisters caused by a virus. Image by Jonnymccullagh.