As COVID-19 pandemic began last year of 2020, the demand for vaccines drastically rose. One of the most potential pharmaceutical companies is AstraZeneca PLC. After different testing trials, they finally began to launch their vaccines in July 2020 and got approved in January, 2021. However, because of the short amount of time for developing, the vaccines of course have side effects. The most concerning effect of AstraZeneca vaccine is blood clotting. According to The Wall Street Journal’s article, scientists in Europe “identified a mechanism that could lead the AstraZeneca PLC vaccine to cause potentially deadly blood clots in rare instances as well as a possible treatment for it.” Even though there are many cases about the concern of blood clot, “the benefits of the vaccine outweighed the risk” (BBC News). Blood clotting cases were only reported in Europe, not in Vietnam yet. My family in Vietnam has said that “because of the hot weather here, the vaccines could not cause blood clotting.
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