By Reuters Staff 2 Min Read FILE PHOTO: Vials with a sticker reading, "COVID-19 / Coronavirus vaccine / Injection only" and a medical syringe are seen in front of a displayed Pfizer logo in this illustration taken October 31, 2020. REUTERS/Dado Ruvic LIMA (Reuters) - Peru’s interim president said on Thursday his administration had locked in a deal with Pfizer to purchase 20 million doses of its coronavirus vaccine, a major milestone as the Andean nation scrambles to jumpstart a mass vaccination program. President Francisco Sagasti said that by April Peru would receive at least 500,000 doses of Pfizer’s COVID-19 vaccine co-developed with German partner BioNTech. The first 250,000 doses are slated for arrival in March, he said.