Dödligt virus från Kina orsakar panik (SARS-CoV-2, COVID-19)

[USA] Pfizer and Moderna are testing their vaccines on children 12 and older and hope to have results by the summer.

In the Pfizer-BioNTech trial of children ages five to 11, which could begin as early as March,
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Next phases will include children as young as two years, and then for babies down to six months. Depending on the results, the vaccine makers could end up producing a different dose for younger children.

Why Kids Might Be Key to Reaching Herd Immunity
Children rarely get very ill from COVID-19. But there’s another reason to vaccinate them.

There are some 70 million kids in the U.S., nearly a quarter of the country’s population.

Vaccinating kids, however, is often not just about the direct and immediate benefits to them. It’s also meant to protect children against diseases that would otherwise become more dangerous for them as adults—measles, mumps, and chicken pox are three common examples—and dampen the overall spread of these diseases. In the short term, the primary reason to vaccinate children against COVID-19 may be that the U.S. will have a hard time reaching herd immunity otherwise.

The ultimate goal of most vaccination campaigns is not just to protect the individuals who get the vaccines, but to prevent the spread of the disease to those who can’t get it, such as infants and people at risk of allergic reactions.