Biological Characteristics and Pathogenesis of Monkeypox Virus: An Overview

Although the smallpoxSmallpox virus has been eradicated worldwide, the World Health Organization (WHO) has issued a warning about the virus’s potential to propagate globally. The WHO labeled monkeypox a world public health emergency in July 2022, requiring urgent prevention and treatment. The monkeypox virusMonkeypox virus is a part of the Poxviridae family, Orthopoxvirus genus, and is accountable for smallpoxSmallpox, which has killed over a million people in the past. Natural hosts of the virus include squirrels, Gambian rodents, chimpanzees, and other monkeys. The monkeypox virusMonkeypox virus has transmitted to humans through primary vectors (various animal species) and secondary vectors, including direct touch with lesions, breathing particles from body fluids, and infected bedding. The viral particles are ovoid or brick-shaped, 200–250 nm in diameter, contain a single double-stranded DNA molecule, and reproduce only in the cytoplasm of infected cells. Monkeypox causes feverFever, cold, muscle pains, headache, fatigue, and backache. The phylogenetic investigation distinguished between two genetic clades of monkeypox: the more pathogenic Congo Basin clade and the West Africa clade. In recent years, the geographical spread of the human monkeypoxHuman monkeypox virus has accelerated despite a paucity of information regarding the disease’s emergence, ecology, and epidemiologyEpidemiology. Using lesion samples and polymerase chain reaction (PCRPCR), the monkeypox virusMonkeypox virus was diagnosed. In the USA, the improved Ankara vaccineVaccines can now be used to protect people who are at a higher risk of getting monkeypox. Antivirals that we have now work well against smallpoxSmallpox and may stop the spread of monkeypox, but there is no particular therapy for monkeypox.