Background: The outbreak of the COVID-19 epidemic and excess mortality attributed to worldwide raised need develop a simple applicable mathematical model for predicting in different countries, as well point out risk factors mortality, and, particular, demographic factors. Methods: A linear was developed based on data (population density, percentage population over age 65 degree ur...

Objective: Rubella is a viral disease with minor morbidity, unless it is contracted by a pregnant woman in early pregnancy that leads to congenitalRubella syndromes. Rubella occurrence during the first trimester leads to fetal death or severe congenital defects.Present study was conducted to survey the protection level against Rubella in the pregnant women of Gilan in IRAN,to be used for the va...

objective: rubella is a viral disease with minor morbidity, unless it is contracted by a pregnant woman in early pregnancy that leads to congenitalrubella syndromes. rubella occurrence during the first trimester leads to fetal death or severe congenital defects.present study was conducted to survey the protection level against rubella in the pregnant women of gilan in iran,to be used for the va...

I study the impact of idiosyncratic risk on savings and employment in a small open economy populated by two-member families. Families incur a fixed cost of participation when both members are employed. Because of market incompleteness and information asymmetries, this cost coupled with labor market frictions can generate multiple equilibria. In particular, there might be one equilibrium with hi...

Introduction One of the most intriguing problems in molecular biology is the origin of the vast population diversity of protein families. Following the assumption that the protein families are populated at random, one would expect a multinomial distribution of the family populations.5 However, it has been discovered6-9 that distribution of the family populations is by far nonexponential, but ha...

Following the re-emergence of polio in West Africa, an investigation was conducted on the occasion when transients gather for the festival in Niger, where the oral polio vaccine (OPV) and BCG coverage among children under the age of 5 years can be evaluated. A total of 259 children were investigated, including 186 from settled families and 73 from unsettled families. OPV coverage was found to b...

We have analyzed the repeated DNA fraction of the rat by characterizing approximately 500 repeat DNA-containing clones using hybridization to a variety of rodent nucleic acids. To facilitate this analysis we devised a method whereby the cloned DNA is transferred to nitrocellulose paper by blotting directly out of colonies of the bacterial clones. In addition to identifying repeated sequences of...