This eBook series brings updated reviews to readers interested in advances in the development of anti-infective drug design and discovery. The scope of the eBook series covers a range of topics including rational drug design and drug discovery, medicinal chemistry, in-silico drug design, combinatorial chemistry, high-throughput screening, drug targets, recent important patents, and structure-activity relationships.Frontiers in Anti-Infective Drug Discovery is a valuable resource for pharmaceutical scientists and post-graduate students seeking updated and critically important information for developing clinical trials and devising research plans in this field.The fifth volume of this series features 6 chapters that cover the following topics:- Virus infection pathways in living cells- Antimicrobial activity of natural products (essential oils and food products) - Medicinal plants that produce immunomodulators of veterinary interest- In silico approaches for determination of drug targets