<img src="https://images.aposto.com/2021/10/5/1637280033403.jpeg" style="display: block; vertical-align: top; margin: 5px auto; text-align: center; width: 100%; max-width: 550px; border-style: none; position: relative; cursor: pointer; padding: 0px 1px; box-sizing: border-box;" ratio="1.00" width="550" alt="British Medical Journal face mask study" fr-original-style="display: block; vertical-align: top; margin: 5px auto; text-align: center; width: 100%; max-width: 550px;" fr-original-class="fr-draggable">via British Medical Journal• <a fr-original-style="" href="https://www.bloomberg.com/news/articles/2021-11-18/masks-cut-covid-risk-in-half-in-review-of-public-health-measures" rel="noopener noreferrer" style="color: rgb(9, 9, 9); text-decoration: none; background-color: transparent; outline: none; cursor: pointer; transition: color 0.3s ease 0s; touch-action: manipulation; user-select: auto; box-sizing: border-box;" target="_blank">Wearing a face mask</a> lowers the risk of catching Covid-19 by half, shows a new British Medical Journal study. As resurgences in Covid-19 cases make a come back in Europe, findings offer a reminder that fundamental public health measures are still crucial to prevent infections.

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