由罗伯兹发动的诺奖者联名信为推销黄金大米而陈述了维生素A缺乏症疫情，说：The World Health Organization estimates that 250 million people， suffer from VAD， including 40 percent of the children under five in the developing world. Based on UNICEF statistics， a total of one to two million preventable deaths occur annually as a result of VAD， because it compromises the immune system， putting babies and children at great risk. VAD itself is the leading cause of childhood blindness globally affecting 250，000 - 500，000 children each year. Half die within 12 months of losing their eyesight. (摘录完)。
罗伯兹做法跟其他挺转帮做法一样，不给数据来源连接。不管他怎么做，美国卫生部发布文章数据说明维生素A缺乏症比例明显下降(没用黄金大米)，证实罗伯兹是伪造数据和伪造疫情。该原文摘录如下：
Trends and mortality effects of vitamin A deficiency in children in 138 low-income and middle-income countries between 1991 and 2013:
a pooled analysis of population-based surveys.
Stevens GA1， ……。Lancet Glob Health. 2015 Sep;3(9):e528-36. doi: 10.1016/S2214-109X(15)00039-X.
URL： http://www.ncbi.nlm.nih.gov/pubmed/26275329
Abstract:
FINDINGS:
In 1991， 39% (95% credible interval 27-52) of children aged 6-59 months in low-income and middle-income countries were vitamin A deficient. In 2013， the prevalence of deficiency was 29% (17-42; posterior probability [PP] of being a true decline=0?81).
Vitamin A deficiency significantly declined in east and southeast Asia and Oceania from 42% (19-70) to 6% (1-16; PP>0?99); a decline in Latin America and the Caribbean from 21% (11-33) to 11% (4-23; PP=0?89) also occurred.
In 2013， the prevalence of deficiency was highest in sub-Saharan Africa (48%; 25-75) and south Asia (44%; 13-79). 94?500 (54?200-146?800) deaths from diarrhoea and 11?200 (4300-20?500) deaths from measles were attributable to vitamin A deficiency in 2013， which accounted for 1?7% (1?0-2?6) of all deaths in children younger than 5 years in low-income and middle-income countries. More than 95% of these deaths occurred in sub-Saharan Africa and south Asia.
INTERPRETATION:
Vitamin A deficiency remains prevalent in south Asia and sub-Saharan Africa. Deaths attributable to this deficiency have decreased over time worldwide， and have been almost eliminated in regions other than south Asia and sub-Saharan Africa. This new evidence for both prevalence and absolute burden of vitamin A deficiency should be used to reconsider， and possibly revise， the list of priority countries for high-dose vitamin A supplementation such that a country's priority status takes into account both the prevalence of deficiency and the expected mortality benefits of supplementation.
通过那文献可看到，有效防治维他命A的显著成绩并非来自转基因作物譬如转基因黄金大米，而是来自现有食品补剂。
此外，联合国UNICEF及其引用的世卫组织数据也说明罗伯兹伪造疫情数据。譬如，联合国机构说的44%/48%疫情比例是集中在两个地区“the highest rates in sub-Saharan Africa (48 per cent) and South Asia and South Asia (44 per cent)”的数字，见下：
Two regions have achieved effective coverage with vitamin A supplements in 2014。
Updated: Apr 2016。
http://data.unicef.org/nutrition/vitamin-a.html
Vitamin A deficiency is the leading cause of preventable childhood blindness and increases the risk of death from common childhood illnesses such as diarrhea. Periodic， high-dose vitamin A supplementation is a proven， low-cost intervention[1] which has been shown to reduce all-cause mortality by 12 to 24 per cent[2]， and is therefore an important programme in support of efforts to reduce child mortality. The World Health Organization has classified vitamin A deficiency as a public health problem affecting about one third of children aged 6 to 59 months in 2013， with the highest rates in sub-Saharan Africa (48 per cent) and South Asia and South Asia (44 per cent).
As supplementation is a key child survival intervention， discussions of progress focus largely on coverage of that intervention. Despite the potential benefits， only 69 per cent of targeted children were reached in 2014. The good news is that integrated child health events have helped support high coverage of vitamin A supplementation in 2014 in a large number of least developed countries， where the need is often greatest.
可罗伯兹搞的联名信却把两个局部数据扩大为整个发展中国家的整体数据。作为发展中国家，中国在防治维他命A缺乏症方面取得了显著成绩。就是说，为推销转基因黄金大米，罗伯兹用伪造疫情数据而对中国政府和中国人民搞造谣污蔑。
说明：罗伯兹鼓动联名信所推销的转基因黄金大米，至今没有任何国家批准上市。罗伯兹所在国家不吃转基因黄金大米，而诺奖故乡瑞典则是拒绝转基因食品。若是好东西，他们自己为什么不吃甚至拒绝商业化上市呢?诚如有网民所说：若推销者不吃他们推销的东西，那就涉嫌欺骗。执政党说，群众的眼光是雪亮的。如此，别说百名诺奖者搞那签名可，就是全体签名、欺骗还是欺骗，最终也瞒不过人民。
说明：学刊已经撤掉黄金大米论文，见下：
Retractions.
AJCN. First published ahead of print July 29， 2015 as doi: 10.3945/ajcn.114.093229.
http://ajcn.nutrition.org/content/early/2015/07/29/ajcn.114.093229.full.pdf+html
Retraction of Tang G， Hu Y， Yin S-a， Wang Y， Dallal GE， Grusak MA， and Russell RM. b-Carotene in Golden Rice is as good as b-carotene in oil at providing vitamin A to children. Am J Clin Nutr 2012;96:658–64.
The article cited above， which was originally published in the September 2012 issue and prepublished on 1 August 2012， has been retracted by the publisher for the following reasons:
1. The authors are unable to provide sufficient evidence that the study had been reviewed and approved by a local ethics committee in China in a manner fully consistent with NIH guidelines. Furthermore， the engaged institutions in China did not have US Federal Wide Assurances and had not registered their Institutional Review Board (or Ethics Review Committee).
2. The authors are unable to substantiate through documentary evidence that all parents or children involved in the study were provided with the full consent form for the study.
3. Specific eligibility issues were identified in regard to 2 subjects in the study.
This retraction was prepublished online on 29 July 2015.
以上故事再次说明，转基因食品及其商业推销充满了欺骗，就是诺奖获得者在金钱利益面前也搞伪造数据和欺骗活动。由此，不奇怪，美国一些媒体把那个联名信入选为“垃圾科学”。同时，就在那联名信在中国一些媒体大轰大嗡之际，在美国，关于转基因食品标识的地方州法规生效，意味着美国在淘汰转基因农业的道路上又迈进一步。这个进展说明，再来一万个诺奖签字也挽救不了转基因农业被淘汰的命运。
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