0/n The biggest puzzle in the last few days of 2020 is this: Why is COVID-19 vaccine rollout so slow in the US?

To see how slow it is, a Bloomberg chat ( http://bloom.bg/34X1Jyj ) shows 19.3% of @pfizer and @moderna_tx vaccines have been administered:
2/n So what's going on? Here are several possible contributors to the delay.

**A. Some hospitals are holding the second doses **
3/n Currently, the vast majority of vaccine doses have been given to healthcare workers.

Both @pfizer and @moderna_tx vaccines require two doses.

It is plausible that many hospitals want to keep the second doses so that healthcare workers can get them later.
4/n But healthcare workers will need to wait for weeks before getting their 2nd doses — 3 weeks for @pfizer vaccine and 4 weeks for @moderna_tx vaccine

Suppose all hospitals do the same, an up to 50% of doses can be administered
5/n While hospitals hold the doses, those in the 1b group, including essential workers and people with underlying conditions, are getting infected, even dying, every day

And we know the vaccine supply can only speed up over the time, so what's the point of holding vaccines?
7/n ** B. Unnecessary and unfortunate delay in vaccinating nursing homes due to bureaucratic reasons and lack of planning effort **

Nursing home residents are supposed to enjoy the same priority status as healthcare workers, yet they are much behind. Why?
13/n U.S. gives 1.5 million flu shots every day, among other vaccines. And we have fewer than 2 million nursing home residents (compared to 17 million healthcare workers).

At the pace of flu vaccination, all the nursing home residents can get vaccinated in just over one day
14/n Distributing COVID-19 vaccines is slower than flu vaccines. But it's not supposed to take >3 weeks to vaccinate all the residents.

Nursing homes vs hospitals is a textbook example of inequity in vaccine distribution.
15/n This just came out: “states have set aside many doses to be given out to their long-term care facilities, a drive that is just gearing up and expected to take ***several months***.” According to an Operation Warp Speed official ( https://www.nytimes.com/live/2020/12/30/world/covid-19-coronavirus-updates#officials-with-operation-warp-speed-acknowledge-the-slow-pace-of-initial-vaccinations)

Seriously?
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