![Understanding Animal Research on X: "The current #COVID19 pandemic has led many to ask, why does it take so long to create a vaccine? It usually takes between 10-15 years to develop Understanding Animal Research on X: "The current #COVID19 pandemic has led many to ask, why does it take so long to create a vaccine? It usually takes between 10-15 years to develop](https://pbs.twimg.com/media/EUCBvKWXkAAI_F_.jpg)
Understanding Animal Research on X: "The current #COVID19 pandemic has led many to ask, why does it take so long to create a vaccine? It usually takes between 10-15 years to develop
![The class trials always take so long to do and people playing Among Us just do this- : r/danganronpa The class trials always take so long to do and people playing Among Us just do this- : r/danganronpa](https://i.redd.it/ncal32snsdj61.jpg)
The class trials always take so long to do and people playing Among Us just do this- : r/danganronpa
![Male Birth Control: Where is it, and Why is it Taking So Long? by male_contraception_socgen108 - Issuu Male Birth Control: Where is it, and Why is it Taking So Long? by male_contraception_socgen108 - Issuu](https://image.isu.pub/200608155329-e9577a14a2222352db920bccf02df221/jpg/page_1.jpg)
Male Birth Control: Where is it, and Why is it Taking So Long? by male_contraception_socgen108 - Issuu
![Achilles tendon injuries: Why do they take so long to heal? | Orthopaedics and Rehab | UT Southwestern Medical Center Achilles tendon injuries: Why do they take so long to heal? | Orthopaedics and Rehab | UT Southwestern Medical Center](https://s3-us-west-2.amazonaws.com/utsw-patientcare-web-production/original_images/Achilles_injury_600.jpg)