Microbiology in a Nutshell. Yes, you will need to know this ... Ever wonder why Robin Williams is hirsute, while Patrick Stewart is follecularly ...
Yes, you will need to know this
The red spots are the AIDS virus, they are surrounding other body cells.
This is a human macrophage, found in your blood that wards off infection. It is homing in on a chain of nastyStreptococcus bacteria. Hitching a ride aboard the macrophage is a sphere-shaped lymphocyte. Both macrophage and lymphocyte can be found near the site of an infection, and the two act in concert to help eliminate it.
The deadliest pandemic in history was the 1918 influenza epidemic, the Spanish Flu. By the time the "Spanish lady" departed, 22 million people had died of the mysterious killer.
Positively identifying the 1918 flu strain is made more difficult by the fact that the flu virus is capable of very rapid mutations
Existing flu shots are 70 percent to 90 percent effective at preventing flu in healthy young people