background:   human fascioliasis is an important health problem in the province of gilan, at the caspian sea, iran. there is the overlapping of both fasciolid species, fasciola hepatica and f. gigantica . recent studies on both domestic animal and lym­naeid infection furnished evidence suggesting that f. gigantica and radix gedrosiana may be the main fasciolid and lym­naeid involved in the dise...

in this paper, we introduce and study the concepts of $mathcal{i}_2$-convergence, $mathcal{i}_2^{*}$-convergence for double sequences of fuzzy real numbers, where $mathcal{i}_2$ denotes the ideal of subsets of $mathbb n times mathbb n$. also, we study some properties and relations of them.

Analysis of viral sequences can tell us how SARS-CoV-2 spreads and adapts