For three years, the US Centers for Disease Control and Prevention (CDC) has issued complicated—and occasionally contradictory—guidance on when you should wear a mask, depending on whether you’re inside, outside, vaccinated, or not vaccinated. But no matter how cautious you are, if you’re a parent, there is one significant way you’re probably getting sick: Your kid is now in school.
This summer brought an uptick in cases, due to a number of factors—whether that was wildfire smoke that may affect the immune system or waning immunity from vaccinations. Ventilation and vaccination remain key tools in combating the spread, and so is a good mask. Unvaccinated children 2 years old and
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