Name: 疫苗背后的真相是什么？（What's the Truth Behind Vaccines?）
Uploaded: 2021-05-23T15:45:51.000Z
Duration: 2 min 31 s
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for maximum protection from paralytic polio, three inoculations, the second given not less than two weeks after the first

A minority of parents believe that the most life-saving medical advance in history does

This group has undermined progress against disease in Europe and the U.S., and health

officials worry about further setbacks, considering who has endorsed the discredited link between

a child, a beautiful child went to have the vaccine and came back and a week later got

The vaccine backlash took off in 1998 when the medical journal the Lancet published what

turned out to be a fraudulent study linking the measles, mumps, and rubella vaccine to

The journal retracted the study in 2010, and UK authorities stripped its author, Andrew

Preventable diseases are on the rise again in the U.S. and Europe.

The number of cases spiked to 667 in 2014 though.

It's worse in Europe, where there were 4,000 measles cases in 2016.

Whooping cough has remained at elevated levels in both places since 2012, when it killed

The choice not to vaccinate doesn't just affect individual children.

Since unvaccinated kids often live in geographic clusters, groups can lose herd immunity.

That's when a community that is so protected against a particular pathogen that the pathogen

If communities lose herd immunity, those who can't be vaccinated either for medical reasons

or because they are too young become susceptible to infection.

So do those who are immunized, because no vaccine is 100% effective.

In the U.S., states set vaccine requirements for school attendance.

Many states offer exemptions for parents who cite religious or personal beliefs that their

Some public health specialists support eliminating these waivers, and in some cases courts have

In striking down a religious exemption, Mississippi's Supreme Court cited an “overriding and compelling

public interest” in keeping children healthy.

Others worry that making vaccinations more compulsory for school attendance would just

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疫苗背后的真相是什么？（What's the Truth Behind Vaccines?）

individual

susceptible

eliminate

situation