More on J&J vaccine - shipment has begun, deliveries expected Tuesday

Earlier post on Johnson & Johnson one-shot vaccine:

• Johnson & Johnson Covid-19 vaccine gets vaccine advisory panel approval

More now via Reuters conveying comments from a senior US official:

• US. will begin distributing 3.9 mln doses of Johnson & Johnson vaccines starting Sunday; doses to be delivered as early as Tuesday
• no further jJ&J dose shipments expected next week, shipments will be uneven across first weeks
• J&J expects to deliver about 16 mln additional doses by end of March, mostly in second half of month
• urges everyone in the US to get first vaccine that is available when it is their turn, time is of the essence