Eric Walker added Campylobacter to Campylobacteraceae, and added Campylobacteraceae to Campylobacterales

Eric Walker added Large study links gum disease with dementia | National Institute on Aging and Campylobacter rectus - Wikipedia to Campylobacter rectus, and added Campylobacter rectus to Campylobacter

Eric Walker added a number of topics and a number of links to Gram-negative bacteria, and added Gram-negative bacteria to Bacteria and Gram staining

Eric Walker added 2019-10 University of Washington study on MSM-associated Campylobacter coli to Campylobacter coli, and added Campylobacter coli to Campylobacter

Eric Walker added 2020-03 Agricultural intensification and the evolution of host specialism in the enteric pathogen Campylobacter jejuni and 2019-12 CDC notice of an outbreak of multidrug-resistant Campylobacter infections linked to contact with pet store puppies and a number of links to Campylobacter jejuni, and added Campylobacter jejuni to Campylobacter

Eric Walker added Campylobacter jejuni, Campylobacter coli and Campylobacter rectus to Campylobacter, and added Campylobacter to Gram-negative bacteria and Campylobacteraceae