Sunday, March 27, 2016

zika update

cdc report

the risk to the general population is low, about 1percent: for high risk women who have positive lab tests and went to get screening the risk was higher:29 percent. But because Ultrasound screening is not sensitive to milder cases, the percentage is probably underestimated.

ncreasing epidemiologic, clinical, laboratory, and pathologic evidence supports a link between Zika virus infection during pregnancy and adverse pregnancy and birth outcomes, including pregnancy loss, microcephaly, and brain and eye abnormalities (1216). A critical knowledge gap for health care providers counseling women is the level of risk for adverse pregnancy and birth outcomes associated with Zika virus infection. That risk is currently unknown, but two recent studies might be informative. A retrospective analysis of the 2013–2014 Zika virus outbreak in French Polynesia identified eight fetuses and infants with microcephaly; using mathematical modeling, it was estimated that microcephaly affected approximately 1% of fetuses or infants born to women infected with Zika virus during the first trimester of pregnancy (17). In a recent study from Brazil, among 42 women with laboratory-confirmed Zika virus infection at any time during pregnancy who underwent prenatal ultrasonographic studies, 12 (29%) had abnormal findings; these included microcephaly, intracranial calcifications, other brain abnormalities, abnormal cerebral artery flow, intrauterine growth restriction, and fetal death (16). Further studies are underway to better estimate this risk but it is important to recognize that microcephaly caused by viral destruction of brain tissue is likely to be part of a spectrum of neurological damage; the percentages in both studies may substantially underestimate the proportion of infants affected.

CDC estimates how to make all the women in Puerto Rico stop having babies because hey they are at risk.

 after all a lot of their pregnancies are "unintended" i.e. unplanned (in a culture where laissez faire is the approach to babies).

Approximately 715,000 women aged 15–44 years reside in Puerto Rico, and there were approximately 34,000 births in 2014 (3). A 2008 hospital-based survey of postpartum women in Puerto Rico indicated that 65.5% of pregnancies were unintended in Puerto Rico, compared with 51% in a probability sample of the general U.S. population (the 50 U.S. states and the District of Columbia), according to the 2008 National Survey of Family Growth (4,9). In 2014, among women aged 15–19 years, the birth rate was almost twice as high (40/1,000) in Puerto Rico as in the U.S. overall (24/1,000) (3).

they go into a lot of detail and then do note that their estimates are based on old and sometimes biased (cherry picked population) data. But hey, Zika will probably make more women want to contracept.

Am I the only one who thinks the zika hysteria is being manipulated to scare women? Population control people are taking advantage of the problem to push their agenda.

No I am not being hard hearted: where is the hysteria about cytomegalovirus in Puerto Rico causing birth defects?

Transmission of CMV infection may occur throughout life, chiefly via contact with infected secretions.[16] In the developed world, CMV is the most common congenital viral infection. An overall rate of congenital CMV transmission of approximately 1% (ranging from 0.25–2%, depending on the population studied) has been estimated in newborn infants in the developed world in most reviews. This translates to about 80,000 congenital CMV infections per year in the United States and Europe.

Where is the hysteria about cocaine damage to fetuses? Or Fetal Alcohol syndrome?

CDC report on FAS:

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