Since January, when the World Health Organization (WHO) announced that it had identified a new virus and declared its outbreak a public health emergency of international concern, COVID-19 has dominated headlines—and our daily lives.
There is much we have learned about the novel coronavirus, also known as SARS-CoV-2, since then—and much public health experts continue to untangle about the virus seemingly every day.
Is it mutating? Does warmer weather have any impact on its spread? Are men and women getting sick in the same way?
Researchers around the world, including those at Johnson & Johnson, are exploring some of these questions as they work hard on identifying investigational vaccine candidates.
Want to test your own COVID-19 know-how? Take our quiz—and learn more about what it might take to help fight the pandemic.