Ap/UNB, Nov 23 – Pharmaceutical company AstraZeneca said Monday that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to…
Ap/UNB, Nov 23 – Pharmaceutical company AstraZeneca said Monday that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to…