Biology GCSE OCR A Diseases

Rickets
Non-communicable
Animal

Type: Nutritional deficiency (Vitamin D)
Symptom: Soft, weak bones

Heart Disease
Non-communicable
Animal

Type: Cardiovascular condition
Symptom: Chest pain

Arthritis
Non-communicable
Animal

Type: Degenerative joint disease
Symptom: Joint pain

Food Poisoning
Communicable
Animal

Type: Bacterial (e.g., Salmonella)
Symptom: Vomiting

Smallpox
Communicable
Animal

Type: Virus (Variola)
Symptom: Pustular rash / Blisters

Malaria
Communicable
Animal

Type: Protist (Plasmodium)
Symptom: Cyclical fevers

Measles
Communicable
Animal

Type: Virus (Measles virus)
Symptom: Skin rash

Mumps
Communicable
Animal

Type: Virus (Mumps virus)
Symptom: Fever

Rubella
Communicable
Animal

Type: Virus (Rubella virus)
Symptom: Mild rash

Athlete’s Foot
Communicable
Animal

Type: Fungus (Dermatophyte)
Symptom: Itchy skin between toes

Scurvy
Non-communicable
Animal

Type: Nutritional deficiency (Vitamin C)
Symptom: Bleeding gums

Chickenpox
Communicable
Animal

Type: Virus (Varicella-zoster)
Symptom: Itchy blisters

Tapeworm
Communicable
Animal

Type: Parasite (Cestoda)
Symptom: Vomiting - leads to weight loss

Cystic Fibrosis
Non-communicable
Animal

Type: Genetic disorder
Symptom: Wheezing

Tuberculosis
Communicable
Animal

Type: Bacterium (Mycobacterium tuberculosis)
Symptom: Persistent cough

Common Cold and Flu
Communicable
Animal

Type: Virus (Rhinovirus and influenza virus)
Symptom: Cough

Cholera
Communicable
Animal

Type: Bacterium (Vibrio cholerae)
Symptom: Watery diarrhoea

Tobacco Mosaic Virus (TMV)
Communicable
Plant

Type: Virus
Symptom: Mottled leaves

Rose Black Spot
Communicable
Plant

Type: Fungus
Symptom: Black spots on leaves

Potato Blight
Communicable
Plant

Type: Protist (Phytophthora infestans)
Symptom: Brown lesions on leaves

Ring Rot
Communicable
Plant

Type: Bacterium
Symptom: Ring of decay in vascular tissue