Largest batch of vaccines arrives in Japan

The largest-ever batch of coronavirus vaccines has arrived in Japan ahead of the start of inoculations for senior citizens next week.

The shipment of the Pfizer-BioNTech vaccine arrived on Monday at Narita Airport near Tokyo from Belgium, where the drug maker has a production base. This is the firm's 11th delivery to Japan.

Pfizer says the latest batch is enough for almost 2 million doses, assuming that six will be obtained from one vial.

Vaccinations of medical personnel have been underway since February. The inoculation program for roughly 36 million people aged 65 and older will start on April 12.