Background: Acute otitis media are most common pediatric diseases. Lack of vitamin D is a risk of otitis media and its recurrences. Objective: To investigate the relation between vitamin D level and otitis media and its recurrences. Materials and method: This retrospective study conducted in Aden, between January 2019 and December 2020. Results: Eighty-five children with otitis media were studied and they were (51.8%) males and (48.2%) females. The mean age of patients was 5.6 ± 2.8 years. Most of the patients (56.5%) were between 1 to 5 years old. Fever represented (56.5%) in the age group 1 – 5 years old. The difference between values is statistically significance (p = 0.000). In the age group 1-5 years we found congested hyperamic tympanic membrane (43.5%) followed by the bulge tympanic membrane (9.4%). Highly significant differences found between otoscopic findings and the age groups (p = 0.000). Recurrent attack of acute otitis media seem to be higher in the age group 1 – 5 years old; (p = 0.041). Most (82.3%) of the patients had deficient vitamin D level followed by patients with insufficient vitamin D level (11.8%). The recurrent attacks in the deficient group represented with 3 times (30.5%) followed by 4 times (22.4%). Highly significant differences were found between recurrent attacks and level of vitamin D (p = 0.000). Conclusion: Our study showed relation between abnormal level of vitamin D and recurrent acute otitis media mostly in the age group from 1-5 years. Keywords: Relation, vitamin D, otitis media, children.

Objective: To study and document the ENT manifestations of covid-19 infection of patients in Aden, Yemen Materials and method: This was a retrospective descriptive study, in which we reviewed the medical records of 81 patients with Covid-19 seen at Covid-19 Treatment Center at Al-Gamhoria Teaching Hospital in Aden during the period April 2020 to March 2021. The Fisher test was used to determine whether the difference between means and values are significant. A p-value <0.05 was considered statistically significant. Results: Out of 81 patients, 52 patients were males (64.2%) and 29 patients (35.8%) were females and the mean age was 40.2 ±13.9 years. The mean age of male patients was 41.8 ± 13.6 years while for females was 37.3 ± 14.5 years. The age ranged between 18 to 66 years; the association between means is statistically significant, in addition the age group < 45 years represented 59.3%. Anosmia-dysgeusia with sore throat and pharyngeal erythema, were the most common ENT manifestations, 77.8%, and 77.8% respectively. The male patients had a higher probability of developing ENT manifestations. The relation between anosmia-dysgeusia and sex was statistically significant (p < 0.05). The manifestation of anosmia-dysgeusia more common among patients of the age group < 45 years with 43.2%. Fever was found in (93.8%) patients, followed by general weakness & fatigue in (85.2%), sleep disorders in (84.0%), and muscular ache in (79.0%). Among comorbid conditions diabetes mellitus was found as most common in (16.0%) patients. Conclusion: The most common ENT manifestations were anosmia-dysgeusia with sore throat and pharyngeal erythema. Keywords: ENT manifestations, general symptoms, comorbid diseases, Covid-19, Aden.