作者: Hailey Benson

Avian influenza (AI) is caused by Influenza A viruses, and are single stranded, segmented RNA viruses of the family Orthomyxoviridae. Influenza A viruses continue to pose a major threat to the poultr …

The placenta is a fetomaternal organ provided by nature to aid development of the growing embryo by facilitating gas and nutrient exchange between the mother and fetus and by helping to maintain feto …