A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against COVID19.Prior to the COVID19 pandemic, work to develop a vaccine against the coronavirus diseases SARS and MERS had established knowledge about the structure and function of coronaviruses, which accelerated development during early 2020 of varied technology platforms for a COVID‑19 vaccine.6/17/2011 · Makeahead casseroles are simple to prepare, and they allow you to have healthy meals on hand that are ready to heat and eat. Some makeahead casseroles can even be frozen weeks in advance, so these flexible dishes can help you with meal planning months ahead. For any casserole, you can either follow a tried and true recipe, or you can ...
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