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Human metapneumovirus (hMPV) is one of the leading causes of respiratory infection. Since its discovery in 2001, no specific antiviral or vaccine has been available in contrast to its closely related family member human respiratory syncytial virus (hRSV). Neutralising monoclonal antibodies (nMAbs) are the core effectors of vaccines and are essential therapeutic immune drugs against infectious pathogens. The development of nMAbs against hMPV has accelerated in recent years as a result of breakthroughs in viral fusion (F) protein structural biology and experience with hRSV and other enveloped viruses. We provide an overview of the potent F-specific nMAbs of hMPV, generalise their targeting F antigen epitopes, and discuss the nMAb development strategy and future directions for hMPV and broad-spectrum hMPV, hRSV nMabs, and vaccine research and development.
Guo et al. (Mon,) studied this question.