Notes

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To assess adherence to COVID-19 preventive measures and its associated factors among pregnant women in Ghana.

This was a cross-sectional study conducted in the Nabdam district, Ghana. Data were collected from 527 pregnant women randomly selected from antenatal care clinics from 16 healthcare facilities. Descriptive statistics were used to assess the prevalence of adherence to COVID-19 preventive measures. Multivariable logistic regression was used to estimate the factors associated with COVID-19 preventive measures, whilst adjusting for potential confounders.

The prevalence of wearing a face mask 18.0% (95% CI 14.73%, 21.32%); of handwashing/hand sanitising 31.7% (95% CI 27.70%, 35.67%), and of social distancing, 22.0% (95% CI 18.46%, 25.56%). Multivariable logistic regression analysis revealed that knowledge of COVID-19 symptoms [Adjusted odds ratios (aOR) 2.86, 95% CI 1.03, 7.89] and knowledge of COVID-19 transmission via contaminated surfaces/objects (aOR 4.60, 95% CI 1.23, 17.18) were associated with wearing a face mask. Pregnant women who knew that avoiding the touching of eyes, nose and mouth can prevent COVID-19 (aOR 2.71, 95% CI 1.01, 7.28), and knowledge of the virus being transmitted via contaminated objects/surfaces (aOR 4.08, 95% CI 1.42, 11.76), were associated with handwashing/hand sanitising. Knowledge of COVID-19 transmission via contaminated surfaces/objects (aOR 15.27, 95% CI 1.87, 124.43) was also associated with social distancing.

The findings of our study suggest that knowledge of COVID-19 symptoms, transmission and preventive measures may play an important role in the practice of preventive measures against COVID-19 among pregnant women.
The findings of our study suggest that knowledge of COVID-19 symptoms, transmission and preventive measures may play an important role in the practice of preventive measures against COVID-19 among pregnant women.Traumatic dental injuries in elderly patients are a rising trend due to demographic and social changes of the population. Older dentulous patients in good health have become increasingly common. The development of a post-traumatic malocclusion is a common sequela resulting from mandibular condyle fracture, as in the case reported in this paper. The decision-making process led the authors to rule out conservative treatment options and to perform orthognathic surgery on an 81-year-old patient, an unprecedented report in the literature. At one-year follow-up, prophylactic therapy, a specific surgical technique, and osteotomy fixation have restored the occlusion to the pre-traumatic condition.
Basal cell carcinoma (BCC) is the most common cutaneous malignancy. Occasionally, it may have an appearance similar to that of some benign pigmented skin lesions. Therefore, additional information is needed to differentiate these lesions.

A diagnostic accuracy study was performed from February 2018 to April 2019. Monomethyl auristatin E order All lesions underwent ultrasound examination with 50 and 20MHz probes. The high-frequency ultrasound (HFUS) images were evaluated independently by 2 experienced doctors for the presence of predefined features, including the depth, shape, margin, anechoic area, hyperechoic spots, epidermal interrupted echo, mushroom sign, flat-bottom sign, and superficial hyperechoic focus (SHEF).

A total of 54 BCCs, 51 melanocytic nevi and 55 seborrheic keratoses (SK), were included. BCCs often involved the subcutaneous tissue (11/54, 20.4%; P<.001) and had an irregular shape (26/54, 48.1%; P<.001) and ill-defined borders (26/54, 48.1%; P<.001), while most benign pigmented lesions had a regular shape (101/106, 95.3%; P<.001) and well-defined borders (95/106, 89.6%; P<.001). BCCs occasionally showed anechoic areas (10/54, 18.5%; P<.001) and epidermal interrupted echo (18/54, 33.3%; P<.001). Moreover, hyperechoic spots could be found in BCCs (43/54, 79.6%), nevi (27/51, 52.9%), and SK (30, 54.5%) (P=.001), with mean number of 7.3, 5.5, and 8.0, respectively. The mushroom signs were all present in melanocytic nevi (18/51, 35.3%), while the flat-bottom sign (43/55, 78.2%; P<.001) and SHEF (40/55, 72.7%; P<.001) presented mainly in SKs.

Based on the typical features, HFUS could improve the accuracy of BCC identification and should be considered when dermatologists are unsure about the lesion type.
Based on the typical features, HFUS could improve the accuracy of BCC identification and should be considered when dermatologists are unsure about the lesion type.
Larvae of many hoverfly species prey upon aphids, whereas the adults, by relying on nectar and pollen, contribute to the pollination of many plant species. Despite their great potential for pest control and pollination, important gaps still exist regarding the efficacy of hoverflies in regulating infestations of major aphid pests in augmentative biological control programs. Here, we tested the potential of the commercially available hoverflies Eupeodes corollae and Sphaerophoria rueppellii to regulate populations of the foxglove aphid Aulacorthum solani in sweet pepper.

In a semi-field experiment, aphid numbers were 93.2% and 78.4% lower in the E. corollae and S. rueppellii treatments, respectively, compared to the control. Fruit yield was increased by 390% and 361% and seed set by 395% and 399% for E. corollae and S. rueppellii. In a separate laboratory trial, we found that under conditions of limited prey, hoverfly larvae did not complete development, but that larvae of S. rueppellii survived significantly longer than larvae of E. corollae.

We have shown for the first time that E. corollae and S. rueppellii can reduce infestations of foxglove aphid in sweet pepper. The limited amount of prey, related to the small size of the A. solani colonies, means that hoverfly larvae were often not able to complete development. In practice, repeated releases of hoverflies, possibly in combination with other natural enemies, might be used to achieve effective suppression of A. solani infestations. © 2021 Society of Chemical Industry.
We have shown for the first time that E. corollae and S. rueppellii can reduce infestations of foxglove aphid in sweet pepper. The limited amount of prey, related to the small size of the A. solani colonies, means that hoverfly larvae were often not able to complete development. In practice, repeated releases of hoverflies, possibly in combination with other natural enemies, might be used to achieve effective suppression of A. solani infestations. © 2021 Society of Chemical Industry.
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