Flu attack!

Don't panic, this is not a warning of an imminent alien virus attack or the title of the latest Hollywood blockbuster, but simply the topic of the clip which Marina sent with her email, remember? I was telling her that I find the thing a bit scary, all the more these days when I'm in two minds whether to take the flu vaccination, which I've never done in my entire life, to get protected against the disease.
Fair enough. Down below is the YouTube clip on the subject of viruses attacking our oft fragile body:

I wish you all a healthy, virus-free autumn and winter! Cheers mates!