万事通说
一波未平，一波又起……难道待在家里也不安全了吗？
万事通每天都会在后台收到大量通心粉的留言，内容都是灵魂拷问：新加坡到底啥时候才能通过中国的科兴疫苗的审核？啥时候才能接种中国的科兴疫苗？
更有网友甚至给新加坡想了三点建议：1.停止印度新加坡航班。2.通过中国疫苗，加快接种速度。3。全民检测。
但是就在大家的翘首以盼之中，却迟迟没有等来中国科兴疫苗通过审批可以注射的消息……
随着疫情在新加坡社区的蔓延，如今不仅在新加坡的中国人坐不住了，很多医生也坐不住了！纷纷发声希望中国科兴疫苗能尽快通过审批。
网传新加坡医生们的公开信希望尽快批准灭活疫苗
最近，新加坡的社交媒体上广泛流传了一份医生的公开信，公开信内容如下：
*An open letter to all parents deciding to vaccinate or not to vaccinate their child.*
We are a group of Singaporean Doctors, who are of the view that MOH should quickly approve a killed-virus vaccine for our children and adults. Here are our humble ponderings:
1/ Children: 99.99% do not need ICU when they catch Covid-19. According to a Senior Pediatrician (Dr Chandra Sekhar Devulapalli), this is likely due to NL63, an almost universal childhood common cold. This immunity is likely to be present in younger Singaporeans in the form of Memory T-Cells. Unfortunately, it wears out by about age 65. This explains why the population above this age frequently populates our ICU when they become very sick with Covid-19. The good news is that Children are doing amazingly well, without any Covid-19 vaccines.
2/ The two mRNA vaccines have been vigorously tested to be safe, but we know this is true only for the short term. We have no evidence that the mRNA vaccines are SAFE in the longer term (10-20 years). This is not a problem with those over 65, as the immediate benefits of vaccination for this high-risk group outweigh the risks of the unknown long-term side effects. For Children, however, it is another matter altogether.
3/ mRNA themselves are very fragile in the human body and are easily attacked by Ribonucleases that are distributed very widely in our body. Reverse Transcriptase, which converts RNA to DNA, is very troubling. It is not naturally found in our body but becomes readily available if you are very sick with a chronic virus, like Hepatitis B. Our local population has significantly higher rates of Hepatitis B (about 3.6% – many of the infected are unaware) and many are still undetected. Relying on data from a population that is significantly different from our local population is NOT very wise.
Please refer to the article: https://pubmed.ncbi.nlm.nih.gov/33330870/
4/ mRNA vaccines do not stop adults from transmitting Covid-19-VOC. We can assume that this will also be the case with children.
5/ It is NOT very WISE to try on Singaporean Children with Novel mRNA technology when they do not really need it and it DOES NOT effectively STOP them from becoming VECTORS.
6/ Killed-Virus technology has been around for decades and has a very long and safe track record. We even have thousands of it in our local warehouse at this moment and it had just been tested to be safe at Phase II/III for children (550 subjects).
Please refer to the article: https://abcnews.go.com/Health/wireStory/sinovac-vaccine-safe-children-young-76624380
7/ We feel a lot safer, with KNOWN technology (proven to be SAFE), since our children are likely to outlive us. Primum non nocere.
8/ For mRNA, long-term side effects are unknown and unstudied. This point is supported by all Experts.9/ These are our humble opinions. We hope MOH will allow parents to pick a vaccine that has been proven to be safe (ie, with no long-term harmful side effects) for our children and grandchildren.
Let us as a community, stand together and overcome this pandemic, with wisdom and prudence. Vaccination will drastically reduce the severity of Covid-19 infection for the vulnerable and will save many lives. We are very grateful for the availability of Vaccines made available by the determined effort of the MTF. Provideing us an option for a killed-virus vaccine would be most appreciated.
Yours Sincerely,
Dr Benny K H Tan (MCR 01588A)Dr Chia AM (MCR M02673E)Dr Clement Lai (MCR M04559D)Dr Colleen Thomas (MCR M05352Z)Dr CT Tan (MCR M01740Z)Dr Diane Jek (MCR 09198G)Dr Judy Chen (MCR 05364C) Dr Kee Leng Chee (MCR (M01006E)Dr Kho Kwang Po (MCR 00499E)Dr Khoo Boo Kian (MCR 03808C)Dr Paul IW Yang (MCR 08851z)Dr Suzie Lee (MCR M05023G)
这封公开信主要提到，目前新加坡接种的疫苗采取的是mRNA技术，长期副作用尚不明朗，而中国疫苗采取的病毒灭活技术可能更安全、有效，尤其是现在新加坡儿童感染人数很多，这时候更应该给孩子选择一款安全的疫苗。
大家都知到，目前新加坡可以接种的疫苗是美国的辉瑞和莫德纳，它们都属于mRNA信使核糖核酸疫苗，中国目前的国药和科兴疫苗则属于灭活疫苗。
全世界有能力研发疫苗的国家中，只有中国研发灭活疫苗。而相对于mRNA技术是一种全新的技术，灭活疫苗已经是非常成熟的技术，
中国疾病预防控制中心专家认为，中国灭活新冠肺炎疫苗对多数变种病毒株仍然有效。
面对新型冠状病毒变种病毒株，中国的灭活疫苗在全球大规模、涉及大量人群的研究中都有效。现有疫苗对之前英国变种病毒的保护力没有问题，在印度发现的病毒株虽然是刚发现的，但从变异的数量来看，并没超过巴西和南非的变种病毒，印度科学家也做了一些测试，认为现在使用的灭活及病毒载体疫苗仍然有效。
中国疫苗接种数全球第一在巴西小镇创下奇迹
目前全球新冠疫苗接种已经超过15亿剂次，其中近六成集中在中国、美国和印度。其中中国共接种了超5亿剂，接种数量全球第一。
除此之外，中国疫苗的有效性也得到了证明。在巴西有一个仅有4.5万人的小镇塞拉纳。它曾感染率高达10%，当地医疗系统不堪重负。绝望之际，当地官员做出了一个大胆的决定：全镇集体接种中国科兴的新冠疫苗。
除了未成年人、孕妇和最近发烧的人，全镇4.5万人口里，约有2.77万人符合接种标准。在严峻疫情的压力下，塞拉纳小镇的居民们，几乎全部都同意接种。
最后实际完成两针疫苗接种的人数为2.72万，接种率占目标人群的98%，占全镇人口的60%。
据中国卫健委专家所说的一般标准，建立全民免疫屏障，疫苗接种率需要达到60%-70%。塞拉纳，刚刚好达到了这个标准。
让人惊喜的是，在接种科兴疫苗之后，塞拉纳的新冠病毒感染率下降了75%！完成两针疫苗接种的人群里，没有1例因新冠导致死亡！这些数据都证明了中国疫苗的有效性！
不仅巴西小镇居民证实了中国科兴疫苗的有效性，泰国高等教育与科研创新部官员也透露，研究发现，有65.9%的科兴疫苗接种者在接种第一针的三周后就出现免疫反应，完成两剂接种的四周后，比例高达99.49%。这名官员表示，科兴疫苗在增强对冠病病毒的免疫方面非常有效。
网友质疑：再不通过审批科兴疫苗就要过期了
如今新加坡社区疫情这么严重，在世界各国都已证明中国疫苗的安全性和有效性都不错的情况下，大家希望新加坡赶紧审批通过中国科兴疫苗的心情越来越迫切。
大家都知道2021年2月23日，中国科兴疫苗就已经运抵新加坡了，但是一直到3个月后的今天科兴疫苗仍然未批准使用。
对于迟迟不批准科兴疫苗这事儿，新加坡卫生部表示还在评估科兴疫苗的安全和有效性，还在等待疫苗制造商呈交更多数据，还有留意该疫苗在其他国家的使用情况。
一直在审批，很多网友都担心，运来新加坡的这批科兴疫苗会不会过期呢？这一点大家不需要担心，科兴疫苗有长达两年的保质期限。
希望新加坡能够加快评估科兴疫苗，加快新加坡的疫苗接种速度，尽快形成群体免疫，早日恢复正常生活。
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