Poland received an 108,000-dose batch of Johnson & Johnson (Janssen) single-jab vaccine on Tuesday, Michal Kuczmierowski, head of the country's Strategic Reserves Agency, told PAP. Also this week Poland should receive shipments of the other two Covid-19 vaccines, he said. AstraZeneca will deliver a batch of 250,000 vaccines on Thursday and another shipment of 250,000 Moderna vaccines will arrive in the country on Saturday, Kuczmierowski said.