Talk about sucking! 2016+4years. Duh. A German company was in process of developing a vaccine for cancer and it morphed.2019 + 4 years = um, you suck at mathHe is not responsible for any vaccine. Companies began testing the vaccines in 2019. It took 4 years to develop them and they still need tweeking.He is responsible for the vaccine Joe Bidet relies onWhat was Trump's plan? All talk, no action and nothing done.