Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2022 Jun 19:15:11786361221097680.
doi: 10.1177/11786361221097680. eCollection 2022.

Prevalence of the Clinical Symptoms and PCR Test Results on Patients With COVID-19 in South of Tehran

Affiliations

Prevalence of the Clinical Symptoms and PCR Test Results on Patients With COVID-19 in South of Tehran

Rahimkhani Monireh et al. Microbiol Insights. .

Abstract

Background: The first human case of COVID-19 was reported on 19 February 2020 in Iran, since then the number of infected cases has dramatically increased to about 1.800 million and about 62 000 deaths, also elderly people have accounted for the largest frequency of mortality.

Objective: This study aims to evaluate the prevalence of Covid-19 RT-PCR positive among Iranian patients and to evaluate the most important clinical symptoms of identified patients based on age, gender, and their background diseases to be used as an aid for early diagnosis.

Methods: During 9 months, swab samples of 11 034 patients' nasopharynx and oropharynx secretions were obtained and were referred to the laboratory for Covid-19 RT-PCR test. In addition, the history of signs and symptoms from patients was recorded.

Results: In total, 11 034 Covid-19 RT-PCR tests that performed, 3358 samples had positive results (30.4%). Headache was the most commonly reported, which was found in 42.5% of our cases. Fever was the second most common symptom among the patients studied, with a prevalence rate of 36.2%.

Conclusion: In this study, almost 30% of symptomatic patients had positive Covid-19 RT-PCR test results. Headache was the most common symptom; also diarrhea and nausea were the least common symptoms among patients under this study.

Keywords: COVID-19; RT-PCR; coronavirus; prevalence; symptoms.

PubMed Disclaimer

Conflict of interest statement

Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Similar articles

Cited by

References

    1. Zhu N, Zhang D, Wang W, et al.. A novel coronavirus from patients with pneumonia in China, 2019. New Engl J Med. 2020;382:727-733. - PMC - PubMed
    1. China Wuhan Municipal Health Commission Wuhan Municipal Health Commission briefing on the pneumonia epidemic situation 31 Dec 2019. [in Chinese]. 2020. http://wjw.wuhan.gov.cn/front/web/showDetail/2019123108989
    1. Lotfi M, Rezaei N. SARS-CoV-2: A comprehensive review from pathogenicity of the virus to clinical consequences. J Med Virol. 2020;92:1864-1874. - PMC - PubMed
    1. Baghaei P, Nadji SA, Marjani M, et al.. Clinical manifestations of patients with Coronavirus disease 2019 (COVID-19) in a referral center in Iran. Tanaffos. 2020;19:122-128. - PMC - PubMed
    1. Gostic K, Gomez AC, Mummah RO, Kucharski AJ, Lloyd-Smith JO. Estimated effectiveness of symptom and risk screening to prevent the spread of COVID-19. eLife. 2020;9:e55570. - PMC - PubMed

LinkOut - more resources