Try these curated collections

Simple Set of Coronavirus Protection Related Vector Line Icons. 
Contains such Icons as Protective Measures, Coronavirus Symptoms, Incubation Period and more. Editable Stroke. 48x48 Pixel Perfect.
 Flu and coronavirus icons set. Collection of linear simple web icons such as hygiene, disinfection, symptoms, treatment, virus, prevention and other. Editable vector stroke.
sick icon set
Simple Set of Medical Assistance Related Vector Line Icons. Contains such Icons as Wheelchair, Special Diet, Hospital Locator and more. Editable Stroke. 48x48 Pixel Perfect.
Set of coronavirus icons in line style. For your design, logo. Vector illustration.
Outline icons about  Coronavirus prevention and symptoms. Health care.  Editable stroke. Vector - 256x256 pixel perfect.
Medicine and health icon set
Personal Hygiene - Covering Mouth with tissue while sneezing - Icon as EPS 10 File
Medical pills, tablets and bottles icons for drugstore, ui, web, app. Health Care Medicine symbol illustration.
Coronavirus icon set for infographic or website - symptoms, transmission, prevention, treatment. Novel Coronavirus 2019-nCoV. 2019 and 2020 epidemic
CORONAVIRUS A set of icons on the theme of coronavirus, contains icons such as epidemic, virus protection, hand washing, mask, bacteria, sneezing, editable smear, on a white background.
Coronavirus Prevention Set Icons Thin Style Pictogram Minimalist
Health Protection Icons - Blue Series
Personal Hygiene - Cover Mouth while sneezing - Icon as EPS 10 File
Prevention and symptoms Coronavirus Covid 19 line icons set isolated on white. Perfect outline health medicine symbols pandemic banner. Quality design elements virus treatment with editable Stroke
Coronavirus (Covid-19 or 2019-ncov) Infographic showing Incubation, Prevention and Symptoms with icons & infected person. Coughing Character. China pathogen. Wuhan virus
Sneezing man line icon, vector pictogram of flu or cold symptom. Man covering cough with napkin illustration, sign for medical poster.
Life Insurance Protection. Stick figures depict life insurance protection for premature death, critical illness, permanent disabilities, medical, hospital,  accident, traveling, and saving plans.
Set of outline icon related with coronavirus protection. Editable stroke. Outline icons suitable for web, infographics, interface and apps.
Sick ill Fever Flu Cold Sneeze Cough Vomit Disease Stick Figure Pictogram Icon
Mask protection virus icon set vector illustration. Contains such icon as clean, sneeze, mask, hand washing, hand sanitizer and more. Expanded Stroke
real line icon of a outline stick figure having a high fever and feeling hot with a thermometer showing high temperature and sweat on his head while feeling his head with his hand in black lines
Kid with different diseases symptoms - fever, cough, snot, allergy. Set of  icons about child illness signs. Flat cartoon vector illustration isolated on white background.
Heatstroke line icon set. Included icons as heat, stroke, faint, hot, sick, summer and more.
Health icons
heart icon
Medicine health care icons set vector illustration
Children Sick Sickness Ill Illness Disease Flu Problem Health Stick Figure Pictogram Icons
Body Pain and Injury line icon
Vector set of medical icons. The coronavirus icons as hand wash, detergent, anti bacteria, mask and etc
pills bottle icon. Health Care Vector illustration
Illness symptoms vector icon set in thin line style
Heart Attack. Symptoms, Treatment. Line icons set. Vector signs for web graphics.
Cold, flu, sick people vector icons set
sick and symptoms injuries silhouette icons flat line design vector set
Vector graphic set. Editable outline stroke size. Icons in flat, contour, thin and linear design. Common cold. Symptoms, treatment, prevention. Simple isolated icons. Concept illustration for Web site
Immunity system line icon. Human immune system vector design. Virus and bacteria illustration
Covid-19 or Coronavirus pandemic related simple thin line icon set. Contains Protective Measures and  2019nCOV Symptoms icons. Pixel perfect at 64x64 - Editable stroke
Illness and injury flat icon set. Collection of high quality outline symbols of disease for web design, mobile app. Vector thin line icons or logo of headache, drowsiness, fever, sore throat, etc.
Headache, migraine - medical vector icons set
Symptoms Icons - Medical Illustration
Coronavirus 2019-nCoV (Covid-19) Prevention icon set for Infographic
Medical icons
Simple Set of Coronavirus Safety Related Vector Line Icons. 
Contains such Icons as Washing Hands, Outbreak Map, Man and Woman Wearing Face Mask and more. Editable Stroke. 48x48 Pixel Perfect.
vector black medical icons set on gray
Allergy symptoms line color icon. Infectious diseases, colds, flu, cough. Sign for web page, mobile app, button, logo. Vector isolated button. Editable stroke.
Medical icons set, . Illustration eps 10
Set of Coronavirus Protection. Prevention of New epidemic 2019-nCoV icon set for infographic or website. Safety, health, remedies and prevention of viral diseases. Isolation. Vector illustration
Causes and Symptoms of Respiratory syncytial virus Infection , RSV Infection Treatment , Vector line icon
Aid family icon set with medical care, breath flu and ambulance. Set of illness related aid family icon line vector elements for web mobile logo UI design. Vector illustration of aid icon.
sick icon set
Health Conditions & Diseases Icons - Sympa Series | Dots
Medical drugs line icons. Healthcare, Prescription and Pill signs. Pharmacy drugs, medical nurse, recipe pill icons. Antibiotic capsule, syringe vaccination, medicine cure. Vector
Human illness and diseases symptoms signs set. Ill man avatars. Thin line art icons. Linear style illustrations isolated on white.
Disease, illness and sickness line icon set. Included the icons as muscle, pain, broken, bleeding, sore throat, migraine and more.
Stress and Depression Related Vector Icon Set. Thin Line Style. 48x48 Pixel Perfect
Sick and disease icon set. Included the icons as illness, symptoms, sickness, broken, diarrhea, pain and more.
Vector isolated medical icons set
body pain and general illness symptoms in human icon set
Coronavirus COVID-19 pandemic respiratory pneumonia disease related vector icons set line style. Included icons symptoms, transmission, prevention, treatment, virus, contagious, infection 2019-nCoV
Set of sick and ill people icons, pictograms. Vector illustration

Search for "illness icons" in these categories

Set vector line icons, sign and symbols in flat design diseases with elements for mobile concepts and web apps. Collection modern infographic logo and pictogram.
Medical Specialties Icons Set 2 - Sympa Series | Dots
Health Conditions & Diseases Icons - Sympa Series | Black
Healthcare and Medicine icon set isolated on background. heartbeat rate, injection, healthy weight, medical records, health care, anti-aids, mobile app, dna, stomatology icons rps10
Sneezing person line icon. Vector outline illustration of man with handkerchief. Sick boy with tissue
Doctor Nurse Hospital Medical Psychiatrist Patient Sick Icon Sign Symbol Pictogram
Panic disorder line icon infographic. Vector sign for web graphics, magazines, brochures
 Health Care Icons - Medical Illustration
Drugstore. Medicine bottle and pills. Medicament. Black and white icon. Vector illustration
Modern flat icons vector collection of medical theme. Isolated on white background.
Elderly Care Nursing Old Folks Home Retirement Centre Pictogram
Set of hospital and medicine related vector illustration with simple line design suitable for icon or doodle
Medical Icon - Color
Depression vector icon
Bronchitis. Symptoms, Treatment. Line icons set. Vector signs for web graphics.
corona covid19 virus icons flat line design vector
Psychology Psychiatric Mental Disorder Problem Psycho Illness Treatment
A cute icon set with lots of health care themed icons
medical icons set
High body temperature related thin line icon. Man's head and high temperature thermometer. Isolated on white background. Editable stroke. illustration.
Influenza. Flu Symptoms, Treatment. Line icons set. Vector signs for web graphics.
Human Disease Illness Sickness Symptom Syndrome Signs Stick Figure Pictogram Icon
Prevention and symptoms Coronavirus Covid 19 line icons set isolated on white. Perfect outline health medicine symbols pandemic banner. Quality design elements virus treatment with editable Stroke
immune from flu germ icon, virus protection, hygiene shield, bacterial prevention, thin line web symbol on white background - editable stroke vector illustration eps10
Set of help icons disability people nursing and disabled in wheelchair health care. Vector illustration
Illness, flu: woman with thermometer in mouth thin line icon. Modern vector illustration.
Medicine basic icons
medical solid icons vector design
Prevention and symptoms Coronavirus Covid 19 line icons set isolated on white. Perfect outline health medicine symbols pandemic banner. Quality design elements virus treatment with editable Stroke
Health care concept vector illustration. Man and woman with symptoms sick in various pose. headache, chest pain, neck pain etc. vector illustration.
Set of Hygiene icons. The icons as hand wash, soap, alcohol, detergent, anti bacteria and mask. Vector illustrations.
Outline icons about Coronavirus information. 2019-nCoV prevention and symptoms. Health care.  Editable stroke. Vector - 256x256 pixel perfect.
Headache line icon set. Included the icons as Tension headaches, Cluster headaches, Migraine, brain symptom and more.
Pills and capsules icon, medical set on white background.Health Care Vector illustration
Medicine icons, thin line flat design
Medicine icon set and brain with nurse, vitamin and temperature. Overweight related medicine icon vector items for web UI logo design.
Man Common Diseases and Illness Stick Figure Pictogram Icon Cliparts
Flu and coronavirus icons set. Collection of linear simple web icons such as virus, prevention, quarantine, incubation period, test, disinfection, mask, symptoms, protection, infected zone, etc
Coronavirus, flue virus symptoms line icons. Vector illustration included icon as cough, fever, lung ct scan, pneumonia prevention outline pictogram for infographic 64x64 Pixel Perfect Editable Stroke

Medical and healthy icons,vector
Man and Woman in medical face protection mask. Vector icon of depressed and tired people wearing protective surgical mask. illustration for concepts of disease, sickness, alergies, pollution, corona v
medical and hospital icon and web silhouette buttons
Coronavirus Infographic Template showing Facts, Cases diagram, Incubation, Prevention, Symptoms.
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