Note that your final mark will not be saved in the system.
Infectious diseases GapFill
You must fill all the gaps before clicking ‘Check Answers!’
Communicable diseases are diseases that can be between plants and animals. cause communicable disease and can be viruses, bacteria, protists or . Rose spot is a plant disease caused by the latter and spread by water or . It reduces a plant's ability to photosynthesise by affecting the leaves but can be treated with .
Malaria is a serious disease caused by a protist whose life cycle involves both humans and , which act as vectors. This means that an effective way to reduce transmission is either to prevent these vectors from breeding or to prevent them from biting people by using .
Some diseases can be transmitted sexually, such as gonorrhoea, and so we can prevent their spread by using barrier methods of contraception, including . Salmonella, on the other hand, is spread via contaminated , and the produced by the bacteria involved can lead to vomiting and diarrhoea. Bacterial diseases may be treated with antibiotics, although unfortunately many strains are now developing to these drugs.
diseases are the hardest to control as the pathogens involved reproduce rapidly inside human cells. Some, such as measles, do have available, although many widespread and serious diseases, including AIDS, do not. AIDS develops after infection from contact with an infected person's bodily fluids.