November 2009 | GENEVA - To date, WHO has received vaccination information from 16 of around 40 countries conducting national H1N1 pandemic vaccine campaigns.

2009年11月19日|日内瓦-迄今为止，大约有40个国家在全国范围内开展了H1N 1大流行性流感疫苗接种活动，其中16个国家向世卫组织提供了有关疫苗接种的信息。

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As of October, WHO estimates worldwide production capacity at about 3 billion doses per year in 12 months if all available capacity is devoted to pandemic vaccine.

截至10月，世卫组织估计，如果所有现有能力致力于生产大流行性流感疫苗，全球生产能力约为每年12个月达30亿剂。

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For example, adverse events too rare to show up even in a large clinical trial may become apparent when very large Numbers of people receive a pandemic vaccine.

例如，不良事件虽然非常罕见，即使在大型临床试验中也很难出现，但在为大量人群接种大流行性流感疫苗时却可能变得很明显。

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But there was no plan for distributing a pandemic level vaccine in the U.S.or anywhere.

VOA: standard.2010.04.29

She says it is better to have a moderate pandemic with a large supply of vaccines, rather than a severe pandemic with inadequate supplies of vaccine.

VOA: standard.2010.01.18

If the vaccine campaign fails to take off in Europe, the society says, the swine flu pandemic may even spread more widely and cause more deaths, particularly among children and young adults.

VOA: standard.2009.11.25

"The technology has advanced in recent years to a point that we believe it could help meet a surge in demand for U.S.-based vaccine for seasonal and pandemic flu, " HHS Secretary Kathleen Sebelius said in a statement last week.

CNN: CDC: U.S. may need 600 million swine flu vaccine doses

In diseases for which there is no private vaccine market, such as pandemic influenza, or for which cases are concentrated in poor countries, such as malaria and tuberculosis, governments and public-private partnerships have stepped in to subsidize development.

FORBES: Booster Shot

The hope is they can provide the basis of an effective vaccine in the event of a pandemic.

BBC: NEWS | Health | Killer flu: Could the world cope?