they will be different strains of viruses here than phil,that you proberbly have no immunity to. different climate also i would think,
also if you are run down, so will your immunity,
we are all subject to these here in uk no matter where we are from, working in an enviroment with other people , resteraunt ect, your subject to breathing in picking their germs,
might be a good subject for doc Alan to advise you on
