Question

Please help me out in these questions..!!(>_<)​

Answer 1

1. Immediate cause: The organisms that enter our body and causes disease is called immediate cause.

2. For example, virus, bacteria, protozoa etc.

1. Contributory cause: The secondary factors which led these organisms enter our body are called as contributory cause.

In epidemiology, a disease vector is any agent which carries and transmits an infectious pathogen into another living organism;

agents regarded as vectors are organisms, such as intermediate parasites or microbes

Answer 2

Answer:

Thank you so much Shrawani

You're my best frien d