Covid-19: what we learned about coronavirus and pandemic in two years

  • Peter Ball
  • BBC World Service

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Photo author, Getty Images

It has been two years since the new coronavirus was discovered in China.

Since that day, December 31, 2019, the world has changed at an incredible rate – from the way we work to the medical procedures available to us.

Here are five things we’ve learned since the outbreak began.

Photo author, EPA

Photo caption,

Before the pandemic, it took four years to develop the fastest vaccine. It took just 11 months to create the first covid vaccine

1. mRNA vaccines work and can be done very quickly

Almost immediately after the outbreak of the pandemic, scientists began developing a vaccine to protect against Covid-19.



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