um, rather a long sentence trisher The influenza virus is very variable and keeps evolving rapidly. It picks up genes from bird and pig flu viruses to help this rapid change.
The immune system is very specific. It learns its immunity one virus at a time. There is little evidence that immunity to strains 1-50 would give you any protection about the next 50 to come along.
Colds are similar, which why we never completely stop catching the darn things.
No reason at all to think one is more vulnerable to new strains - just still vulnerable.
essdee that sounds miserable but if I was you I'd be having a chat with your doctor asap. On the face of it, flu is the last thing you need just now. There are several different kinds of pneumonia - discuss the vaccine with your GP.
Harry and Meghan ‘royal’ tour of Nigeria.
Film Titles With Words In Common
Forgetting where you left your keys dies not mean you are “losing it”