https://www.siliconvalley.com/2020/12/08/report-white-house-rejected-chance-to-get-more-vaccine-doses/ > By Zeke Miller and Jonathan Lemire | Associated Press > WASHINGTON — President Donald Trump’s administration is facing new scrutiny Tuesday after failing to lock in a chance to buy millions of additional doses of Pfizer’s coronavirus vaccine, which has shown to be highly effective against COVID-19.