疫苗注射利弊英语作文

The "Pros and Cons of Vaccine Injection" essay discusses the advantages and disadvantages of getting vaccinated against various diseases. The introduction presents an overview of the topic by highlighting the importance of vaccination in preventing the spread of diseases and protecting public health. It acknowledges the benefits of vaccination, such as immunity against specific diseases, disease eradication, and public health improvements. Simultaneously, it recognizes the concerns and hesitations surrounding vaccination, including potential side effects, safety issues, and individual rights. The introduction aims to provide a balanced perspective on the topic, setting the stage for a comprehensive discussion of the advantages and disadvantages of vaccine injection in the subsequent sections of the essay. Through critical analysis and evaluation, the essay seeks to enlighten readers about the complexities of vaccine injection and empower them to make informed decisions regarding their health and well-being.

疫苗注射利弊英语作文：At present, 3 inactivated new crown vaccines have been launched in China, and the COVID-19 inactivated vaccine developed by the Wuhan Institute of biological products has been in the 2 phase of clinical research. Advantages: inactivated vaccine is characterized by simple and rapid synthesis and high safety.

It is a common way to avoid the spread of acute hepatitis. Inactivated vaccine is very common, commonly used hepatitis B vaccine, polio inactivated vaccine, JE inactivated vaccine, DPT vaccine and so on are inactivated vaccines.

Disadvantages: but inactivated vaccines also have disadvantages, such as large dose, short immune period, single immune method, etc., and its more terrible disadvantage is that sometimes it will lead to the enhancement effect of antibody dependence (ADE), and aggravate virus infection, which is a serious adverse reaction that will lead to the failure of vaccine research and development.

中文翻译：目前我国有3个灭活新冠疫苗进入临床研究，其中武汉生物制品研究所研发的新冠病毒灭活疫苗已处于2期临床研究。优点：灭活疫苗的特点是合成途径简单迅速，安全性比较高，它是规避急性肝炎传播一般采取的方式。灭活疫苗很常见，我国常用的乙肝疫苗、脊灰灭活疫苗、乙脑灭活疫苗、百白破疫苗等都是灭活疫苗。

缺点：但灭活疫苗也有缺点，如接种剂量大、免疫期短、免疫方法单一等，而它更可怕的劣势是有时候会导致抗体依赖加强效应（ADE），使病毒感染加重，这是一种会导致疫苗研发失败的严重不良反应。