Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单
| | A | | 1 | | | B | | b | | | C | | 人才招聘 | | | D | | | | | E | | 电子 | | | F | | f | | | G | | 克 | | | H | | h | | | I | | 我 | | | J | | j | | | K | | k | | | L | | 升 | | | M | | 米 | |
| | N | | n | | | O | | o | | | P | | p | | | Q | |常见问题 | | | R | | 研究 | | | S | | | | | T | | 吨 | | | U | | u | | | V | | v | | | W | | 瓦特 | | | X | | x | | | Y | | y | |
Why is it necessary?为什么要呢？ of Immunisation对接种疫苗
Vaccination is very effective in preventing and reducing the impact of serious illness. Some diseases, such as smallpox, have been completely wiped out, and it is hoped that others such as polio and measles will soon be destroyed .接种疫苗是非常有效的在防止和减少的影响，严重的疾病，有些疾病，如天花，已被完全消灭，这是希望其他国家，如脊髓灰质炎和麻疹不久将被销毁。
If people are not vaccinated, these diseases could return.如果人们不注射疫苗，这些疾病可能的回报。 They could also be brought back into this country from parts of the world where they are still common. That’s why it is important to maintain the rates of vaccination.它们也可以被带回到这个国家的一部分，世界上他们仍然是常见的。 thatâ € ™ s为什么这是很重要的维持率防疫注射。
Vaccination protects the wider community, as it makes it harder for the disease to find an unprotected person to infect, and to spread widely enough to cause an epidemic (a sudden widespread outbreak). For a highly infectious disease like measles, about 95% of people need to be vaccinated to give this protective effect, known as herd immunity.接种疫苗的保护更广泛的社会，因为它使得它更难疾病找到一个未受保护的人感染，并广泛传播足以引起疫情（突然爆发的普遍） 。一种传染性极强的疾病，例如麻疹，约有95 ％人需要接种，让这个保护作用，被称为群体免疫。
Certain diseases, such as rubella (German measles) and mumps, are particularly harmful to the unborn baby if caught during pregnancy. Therefore it is important that both girls and boys are vaccinated against these diseases, to prevent them being passed to pregnant women.某些疾病，如风疹（德国麻疹）和腮腺炎，尤其有害胎儿，如果在怀孕期间被捕的，所以这是非常重要的两个男孩和女孩是接种疫苗对这些疾病，以防止他们通过给孕妇。
