As above, our AMA guest here is a consultant in the HSE. I have verified his identity and that he is a consultant in HSE.
Hopefully his answers to questions will be a valuable resource for everyone and for that reason we are opening this thread for questions and a separate answers thread to keep all of the informative content in his answers together.
Please stick to this format for Qs & As as posts from anyone other than the OP in the answers thread will be removed.
ANSWERS can be found
here.
Thanks all

Please note, as always do not ask for medical advice.