<a href="https://www.medrxiv.org/content/10.1101/2024.04.27.24306378v1.full.pdf" target="_blank" rel="noopener nofollow">https://www.medrxiv.org/content/10.1101/2024.04.27.24306378v1.full.pdf</a><br><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10234376/" target="_blank" rel="noopener nofollow">https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10234376/</a>