Retraction Note: The role of social circle COVID-19 illness and vaccination experiences in COVID-19 vaccination decisions: The retraction notice points to some important questions about how the spread of misinformation about COVID affects public health.

A randomized trial found that antibiotics used to treat Heliobacter pylori infections had lower-than-accepted eradication rates in patients previously treated for COVID-19.

Case report of restless anal syndrome as restless legs syndrome variant after COVID-19

Scent dog identification of samples from Covid-19 patients – a pilot study

Respiratory virus pathogens on frequently touched surfaces at airports