Infection and Immunity
The invasion of foreign organism on a host body for its growth and multiplication is termed as infection. The infection can lead to infectious diseases/ transmissible disease/ communicable disease. The infection can be caused by any infectious agents and their toxins causing several immune reactions like allergy, inflammation etc. Immune or allergic reactions arise upon infection due to the role of Host immune system to maintain immunity in the body. The infectious agents may be bacteria, virus, fungus, parasites, protozoans etc. As the agents vary, so does the route of transmission to enter into the host body and also the diseases, diagnosis and treatments. The immunity of an individual must be well enough to combat such infections. Immunity will be innately present in an individual from the mother through placenta and also later on through breast milk. Immunity will also be acquired by an individual during his/her lifetime through exposure to several allergens, microorganisms and foreign substances.
The global immune health supplements market is expected to witness substantial growth during the forecast period. Market growth is primarily driven by an increase in consumer awareness regarding various health issues, along with the increasing popularity of health and wellness. The immune health supplements market is expected to witness significant revenue growth over the forecast period, owing to the increasing consumer awareness about the benefits of dietary supplements, along with a rise in the population of baby boomers. The market is expected to be valued at more than US$ 14 Bn in the year 2017, while by the end of 2025, the global market for immune health supplements is likely to exceed a valuation of US$ 25 Bn, expanding at a CAGR of 7.0% during the projected period of eight years.