8.7K views · 113 reactions | In this episode of Game Changers, Kevin Xu, COO & Co-Founder at IGG shares his experience of bringing PC games to mobile and why he invests in big budget Hollywood video ads. | Facebook Gaming | Facebook

Q: What blood test to take to confirm or to check whether the vaccine that I took improved my immunity? IgA IgG IgM? We know vaccines trigger the production of antibodies that help target the virus and stop disease - but did you know that there are many types of antibodies too? 🤯 Here’s a quick rundown with Dr Leong Hoe Nam of Rophi Clinic on what three of them - IgA, IgM and IgG - do, and how you know the vaccine ✨really worked✨ Share any questions you may have in the comments section or on ou