<b><i>Introduction:</i></b> Lichen planopilaris (LPP) is a lymphocyte-mediated type of scarring alopecia and considered to have autoimmune etiology. Studies about systemic comorbid conditions are limited. Our goal is to identify the prevalence of medical comorbidities in patients with LPP. <b><i>Methods:</i></b> In a retrospective case-control study, the medical records of 208 LPP patients and 208 controls were reviewed for existing comorbidities such as thyroid diseases, cardiovascular disorders, hypertension, hyperlipidemia, and lupus erythematous. <b><i>Results:</i></b> Hyperlipidemia was found in 41.8% of all patients with LPP and in 17.3% of controls (<i>p</i> value &#x3c;0.001, OR = 4.167). Chances of hypertension and cardiovascular disorders were lower in the LPP group in comparison to controls (<i>p</i> value = 0.009). Thyroid disorders were more prevalent in LPP patients, but the difference was not statistically significant (<i>p</i> value = 0.277). <b><i>Conclusion:</i></b> Our study further emphasizes that LPP patients should be screened for medical comorbidities, especially lipid profile abnormalities.

Topical medications are one of the main treatments for psoriasis. Adherence to treatment is an important factor in achieving successful control of disease. The aim of this study was to evaluate adherence to topical drugs and identify possible associated factors in in patients with psoriasis. Ninety‐three patients were evaluated by a two‐part questionnaire; the first part examined demographic, socioeconomic and disease‐related factors while the second part, the ECOB questionnaire (Elaboration d'un outil d'evaluation de l'observance des traitements medicamenteux), examined adherence to topical drugs. The mean self‐reported adherence to topical treatment in this study, was 50.5%. Severe disease, involvement of lower extremity, and positive family history of psoriasis were associated with poor adherence to treatment. Patients with a history of diabetes mellitus had better adherence to treatment. In this study adherence to topical treatment was low and had no significant relationship with most of the studied demographic and socioeconomic factors.

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bacteria, and fungus in hospitalized patients with COVID-19, among them Influenza type A is one of the main viral pathogens associated with COVID-19 as a co-infection. 14 We aimed to study the epidemiology of Influenza and COVID-19 Co-infection in a cross-sectional study. We included 92 participants who suspected to COVID-19 and their swab samples referred to Central HIV Laboratory, Sari in northern of Iran, during autumn, 2021 (which delta variant was dominant in country). The Detection of influenza viruses type A&B and the new coronavirus by multiplex real time kit in form of qualitative diagnosis of covid 19 factor, influenza viruses type A&B are done by the method of probe-based reversetranscription or Real Time PCR (RT-qPCR).