Bacteria
Direct contact (contaminated equipment or infected water)
Wilt, discolouration, damages leaves tubes and fruits
Potatoes, tomatoes and aubergines
No cure
3 of 11
HIV/AIDS
Virus
Direct contact through bodily fluids eg sex, needles and from HIV + mother to child
Fever, sore throat, body rash, tiredness, joint pain, muscle pain, swollen glands
Humans
Antiretroviral drugs slow progression but no cure/vaccine
4 of 11
Influenza
Virus
Droplets
Fever, fatigue, headache, aches/pains, dry/chesty coughs, cold-like symptoms
Animals
No cure but vaccines given annually
5 of 11
Tobacco Mosaic Virus
Virus
Contact via humans or equipment
Mosaic pattern or brown spots on leaves, mottling, necrosis, stunting
Tobacco plants, tomatoes, peppers & 150 other species
Destroy infected plants, wash hands and tools -
no cure
Protoctista
Direct contact through spore like structures in the wind
Brown patches, rot, white fungal growth
Potatoes and tomatoes
Destroy infected plants, no cure
8 of 11
Ringworm
Fungi
Contact
Grey-white crusty areas of skin
Animals particularly cattle
Antifungal creams and avoiding contact with skin and basic hygiene
9 of 11
Athletes Foot
Fungi
Contact (contaminated towels, clothing, surfaces etc)
Itchy red rash in spaces between toes, scaly flaky dry skin
Animals
Antifungal creams, clean socks, clean towels etc
10 of 11
Black Sigatoka
Fungi
Spores in the wind/direct contact
Dark leaf streaks, dead/dying leaves
Bananas
Fungicides, removing affected leaves, spacing of plants etc
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