Wear a mask.
Stay socially distanced.
Wash your hands.
Get vaccinated.
Now is not the time to let up in the battle against COVID-19 — we have to fight this to the end.
👩🚀 Astronaut Kate Rubins is all "high fives and smiles" as she takes her first breath of fresh Earth air in 185 days. Aboard the @Space_Station, Rubins conducted hundreds of hours of @ISS_Research, including advancing her work in DNA sequencing. https://t.co/dAAq7Yx3WT