viral and fungal diseases

• measles, HIV and TMV are viral diseases
• measles is spread by droplets from an infected person's sneeze or cough
• HIV is a virus spread by sexual contact, or by exchanging bodily fluids
• tobacco mosaic virus (TMV) is a virus that affects many species of plants
• rose black spot is a fungal disease
• rose black spot causes purple or black spots on leaves and stems
• HIV can be treated using antiretroviral drugs