Lynch DP. Oral manifestations of viral dieases. In: Tyring S, editor. Mucosal Immunology and Virology. Cham: Springer; 2006. p. 99–156.

Chapter  Google Scholar 

Villanueva-Vilchis MD, López-Ríos P, García IM, Gaitán-Cepeda LA. Impact of oral mucosa lesions on the quality of life related to oral health. An etiopathogenic study. Med Oral Patol Oral Cir Bucal. 2016;21(2):e178–84.

Article  PubMed  PubMed Central  Google Scholar 

Amorim Dos Santos J, Normando AGC, Carvalho da Silva RL, Acevedo AC, De Luca CG, Sugaya N, et al. Oral Manifestations in Patients with COVID-19: A Living Systematic Review. J Dent Res. 2021;100(2):141–54.

Article  PubMed  Google Scholar 

Fidan V, Koyuncu H, Akin O. Oral lesions in Covid 19 positive patients. Am J Otolaryngol. 2021;42(3):102905.

Article  PubMed  PubMed Central  Google Scholar 

Chen A, Huang JX, Liao Y, Liu Z, Chen D, Yang C, et al. Differences in Clinical and Imaging Presentation of Pediatric Patients with COVID-19 in Comparison with Adults. Radiol Cardiothorac Imaging. 2020;2(2):e200117.

Article  PubMed  PubMed Central  Google Scholar 

Girona-Alarcon M, Bobillo-Perez S, Sole-Ribalta A, Hernandez L, Guitart C, Suarez R, et al. The different manifestations of COVID-19 in adults and children: a cohort study in an intensive care unit. BMC Infect Dis. 2021;21(1):87.

Article  PubMed  PubMed Central  Google Scholar 

Sabbagh HJ, Abdelaziz W, Quritum M, AlKhateeb NA, Abourdan J, Qureshi N, et al. Cigarettes' use and capabilities-opportunities-motivation-for-behavior model: a multi-country survey of adolescents and young adults. Front Public Health. 2022;10:875801.

Article  PubMed  PubMed Central  Google Scholar 

WMA. World Medical Association Declaration of Helsinki. Ethical principles for medical research involving human subjects. Bull World Health Organ. 2001;79(4):373–4.

Google Scholar 

World Health Organization. WHO global report on trends in prevalence of tobacco use 2000–2025. 3rd ed. Geneva: World Health Organization; 2019.

Google Scholar 

Nemes S, Jonasson JM, Genell A, Steineck G. Bias in odds ratios by logistic regression modelling and sample size. BMC Med Res Methodol. 2009;9:56.

Article  PubMed  PubMed Central  Google Scholar 

Folayan MO, Ibigbami O, Brown B, et al. Differences in COVID-19 Preventive Behavior and Food Insecurity by HIV Status in Nigeria. AIDS Behav. 2022;26(3):739-51. https://doi.org/10.1007/s10461-021-03433-3.

Yusoff M. ABC of Content Validation and Content Validity Index Calculation. Educ Med J. 2019;11:49–54.

Article  Google Scholar 

Bourgeois FT, Porter SC, Valim C, Jackson T, Cook EF, Mandl KD. The value of patient self-report for disease surveillance. J Am Med Inform Assoc. 2007;14(6):765–71.

Article  PubMed  PubMed Central  Google Scholar 

Mastrangelo A, Bonato M, Cinque P. Smell and taste disorders in COVID-19: From pathogenesis to clinical features and outcomes. Neurosci Lett. 2021;748:135694.

Article  PubMed  PubMed Central  Google Scholar 

Meunier N, Briand L, Jacquin-Piques A, Brondel L, Pénicaud L. COVID 19-Induced Smell and Taste Impairments: Putative Impact on Physiology. Front Physiol. 2020;11:625110.

Article  PubMed  Google Scholar 

Tsuchiya H. Oral Symptoms Associated with COVID-19 and Their Pathogenic Mechanisms: A Literature Review. Dent J (Basel). 2021;9(3):32.

Article  Google Scholar 

Amorim Dos Santos J, Normando AGC, Carvalho da Silva RL, De Paula RM, Cembranel AC, Santos-Silva AR, et al. Oral mucosal lesions in a COVID-19 patient: New signs or secondary manifestations? Int J Infect Dis. 2020;97:326–8.

Article  PubMed  PubMed Central  Google Scholar 

Cebeci Kahraman F, Çaşkurlu H. Mucosal involvement in a COVID-19-positive patient: A case report. Dermatol Ther. 2020;33(4):e13797.

Article  PubMed  PubMed Central  Google Scholar 

Iranmanesh B, Khalili M, Amiri R, Zartab H, Aflatoonian M. Oral manifestations of COVID-19 disease: A review article. Dermatol Ther. 2021;34(1):e14578.

Article  PubMed  Google Scholar 

Bardellini E, Bondioni MP, Amadori F, Veneri F, Lougaris V, Meini A, et al. Non-specific oral and cutaneous manifestations of Coronavirus Disease 2019 in children. Med Oral Patol Oral Cir Bucal. 2021;26(5):e549–e53.

Article  PubMed  PubMed Central  Google Scholar 

Cao B, Wang Y, Wen D, Liu W, Wang J, Fan G, et al. A Trial of Lopinavir-Ritonavir in Adults Hospitalized with Severe Covid-19. N Engl J Med. 2020;382(19):1787–99.

Article  PubMed  Google Scholar 

Sabbagh HJ, Abdelaziz W, Alghamdi W, Quritum M, AlKhateeb NA, Abourdan J, et al. Anxiety among Adolescents and Young Adults during COVID-19 Pandemic: A Multi-Country Survey. Int J Environ Res Public Health. 2022;19(17):10538.

Article  PubMed  PubMed Central  Google Scholar 

Sinanović O, Muftić M, Sinanović S. COVID-19 Pandemia: Neuropsychiatric Comorbidity and Consequences. Psychiatr Danub. 2020;32(2):236–44.

Article  PubMed  Google Scholar 

Zhang T, Liu D, Tian D, Xia L. The roles of nausea and vomiting in COVID-19: did we miss something? J Microbiol Immunol Infect. 2021;54(4):541–6.

Article  PubMed  Google Scholar 

El Tantawi M, Sabbagh HJ, Alkhateeb NA, Quritum M, Abourdan J, Qureshi N, et al. Oral manifestations in young adults infected with COVID-19 and impact of smoking: a multi-country cross-sectional study. PeerJ. 2022;10:e13555.

Article  PubMed  PubMed Central  Google Scholar 

Lechien JR, Chiesa-Estomba CM, De Siati DR, Horoi M, Le Bon SD, Rodriguez A, et al. Olfactory and gustatory dysfunctions as a clinical presentation of mild-to-moderate forms of the coronavirus disease (COVID-19): a multicenter European study. Eur Arch Otorhinolaryngol. 2020;277(8):2251–61.

Article  PubMed  PubMed Central  Google Scholar 

Mercante G, Ferreli F, De Virgilio A, Gaino F, Di Bari M, Colombo G, et al. Prevalence of Taste and Smell Dysfunction in Coronavirus Disease 2019. JAMA Otolaryngol Head Neck Surg. 2020;146(8):723–8.

Article  PubMed  Google Scholar 

Galmiche S, Bruel T, Madec Y, Tondeur L, Grzelak L, Staropoli I, et al. Characteristics Associated with Olfactory and Taste Disorders in COVID-19. Neuroepidemiology. 2021;55(5):381–6.

Article  PubMed  Google Scholar 

Bartoshuk LM, Duffy VB, Miller IJ. PTC/PROP tasting: anatomy, psychophysics, and sex effects. Physiol Behav. 1994;56(6):1165–71.

Article  PubMed  Google Scholar 

Mak PQ, Chung KS, Wong JS, Shek CC, Kwan MY. Anosmia and Ageusia: Not an Uncommon Presentation of COVID-19 Infection in Children and Adolescents. Pediatr Infect Dis J. 2020;39(8):e199–200.

Article  PubMed  Google Scholar 

Concheiro-Guisan A, Fiel-Ozores A, Novoa-Carballal R, González-Duran ML, Portugués de la Red M, Martínez-Reglero C, et al. Subtle olfactory dysfunction after SARS-CoV-2 virus infection in children. Int J Pediatr Otorhinolaryngol. 2021;140:110539.

Article  PubMed  Google Scholar