![]() When interviewed, they revealed that they were close household contacts of COVID-19 patients-who were not participants in this study-so they were advised to perform nasopharyngeal PCR. The contact group included in this study were outpatients who had recently complained of vertigo and sought medical advice. The participants were divided into two groups: group (1) those who had previously gotten COVID-19 and had vertigo as a consequence of infection and group (2) of close contacts who just reported vertigo or dizziness. This cross-sectional study (convenient sample) was carried out in the period from February to April 2022. So far, there is still a lack of scientific research on this topic to our knowledge, this study is the first to address this issue in Egypt. ![]() The goal of this study is to investigate the occurrence of vertigo as it may be a consequence of the COVID-19 infection or it may be the 1st presenting symptom of infection in close contact. The inner ear is one of the neurological systems that the virus may attack, and the resulting damage may cause vertigo and/or tinnitus. Up to 30% of COVID-19 patients have been documented to experience neurological problems as a consequence. The virus may also enter the circulation from the lungs, penetrate the blood–brain barrier, and infiltrate the CNS, potentially inside an infected white blood cell. Given the low levels of ACE2 in the brain, it may first attack peripheral nerves. It was hypothesized that SARS-CoV-2 possesses neurotropic and neuroinvasive behaviors like other coronaviridae, the virus has been found in the autopathy cerebrospinal fluid, but the precise process by which it enters the central nervous system (CNS) is still unknown. The lung is most adversely affected by COVID-19, which gains access to host cells through the enzyme angiotensin-converting enzyme 2 (ACE2). Both the upper and lower respiratory tracts are susceptible to COVID-19 infection. ![]() Coronavirus belongs to Orthocoronavirinae, this subfamily is an RNA virus that could infect humans and birds. COVID-19 is a worldwide pandemic caused by SARS-CoV-2.
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