Table 2

Keywords applied to threads containing COVID-19 search terms to investigate physical and mental health diagnoses potentially associated with the COVID-19 pandemic

Comorbid conditionSearch terms
Cardiovascular/strokeheart, infarct*, bypass, stent, coronary, ablation, atrial fibrillation, arrhythmia, aortic, cardio*, blockers, cardiomyopathy, statin(s), pressure, valve, pacemaker, stroke, ischaemia, ischaemic, anticoag*, anticoagulants, xarelto, apaxiban, rivaroxiban, dabigatran
Cancercancer, chemo, chemotherapy, tumours, melanoma, leukaemia, radiation, radiotherapy
Respiratory diseasesasthma, asthmatic, copd
Mental disordersanxiety, anxious, depression, depressive, psychosis, psychotic, bipolar, schizophrenia, schizoaffective, ocd, ptsd
Autoimmune diseasescrohns, psoriasis, immunosuppress(ant), lupus, multiple sclerosis, ms, auto-immune
Diabetesdiabetes, mellitus, insulin, humira, remicade, metformin

  • *A wildcard search.