Everybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and...
========== Recently there has been
a lot of talk about measles.What does measles actually do,
and should you vaccinate against it?Or is this just hysteria?Measles is a virus:a hull of proteins, RNA,plus some more proteins for reproduction.It cannot reproduce by itself;
it needs a host cell to do so.To understand measles, we have to
understand the immune system.You might already have seenthe visual system we developed
to help here.Now, let’s focus on the parts of
the immune system relevant to measles.The measles virus enters humans
through the nose, mouth, or eyes.The measles infection starts in the lungs.Measles is especially good at infecting
the body’s first line of defence:macrophages, powerful guard cells
that protect the lungs from intruders.They enter a cell and take i...