I would suggest that it s not necessarily an anti vax site as suggested and it does cite sources within the body if was read Nonetheless it raises interesting points such as efficacy being related to age and to a particular strain and does present the other side of the argument With respect to purported anti vax statements on websites this is against the standard of practice in most Canadian provinces and the CCO has fined members up to 25 K for those shenanigans Nonetheless we should not pick one example and make attributions for I can go to MD websites and show them endorsing questionable methods such as homeopathy We need to be careful with giving fringe POVs too much weight here which seems to be an increasing concern