In the 20th century, thirteen distinct human immunodeficiency viruses emerged following independent cross-species transmission events involving simian fine mic immunodeficiency viruses (SIV) from African primates.In the late 1900s, pathogenic SIV strains also emerged in the United Sates among captive Asian macaque species following their unintentio
IntroductionMalawi has made progress in expanding access to modern contraceptive methods over the last decade, including the introduction of depot-medroxyprogesterone acetate subcutaneous (DMPA-SC) in 2018.DMPA-SC offers women the option to self-inject at home and may benefit adolescents with unmet need for contraception due to its discretion.This
The attachment of inducer in front of main impeller is a powerful method to improve cavitation performance.In operating condition at partial flow rate and extremely low suction pressure, cavitation surge oscillation occurs and the stable operating range becomes narrower.It has been found from previous experimental study of authors that the cavitati