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Infectious diseases are illnesses caused by bacteria, viruses, fungus, or parasites. It is one of the most common causes of hospital admission all around the world. Most diseases transmit from person to person through various means of transmission because they are contagious infections. In both emerging and developed countries, the introduction of novel infections and the re-emergence of existing diseases have produced substantial domestic and public health problems. In addition, infectious diseases account for the majority of disability-adjusted life years and the global mortality rate.
Furthermore, rising antimicrobial resistance has sparked global concern about superinfection, making it difficult to combat prospective diseases. As a result, infectious diseases are receiving increased attention in the twenty-first century. It constitutes a crucial action agenda for global health leaders, healthcare professionals, policymakers, and researchers. Scientists are working to develop new antibiotics, therapy regimens, and vaccines to combat current and future illnesses.
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