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Group activity and body weight changes in SARS-CoV-2–infected hamsters. Total counts of activity during nighttime (5 pm–5 am, A,D), daytime (5 am–5 pm, B,E), and weight changes (C,F) over 16 days of female (A,B, and C) and males (D,E, and F) hamsters infected i.n. with different doses of SARS-CoV-2. n = 3-5 cages with 4 hamsters/cage. *p < 0.05, **p < 0.01, ***p < 0.001 vs Mock. Asterisks are color coded according to viral load as indicated.
