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. 2022 Aug 24;96(17):e01140-22. doi: 10.1128/jvi.01140-22

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FIG 4 — Thermal stability of Omicron pseudoviruses. The temperature stability of D614G and Omicron lineage pseudoviruses on 293T-ACE2-TMPRSS2 and 293T-ACE2 cells was evaluated. (A and C) Pseudoviruses were untreated or subjected to various temperatures for an hour prior to infectivity on 293T-ACE2-TMPRSS2 (A) and 293T-ACE2 (C) cells. (B and D) Pseudoviruses were untreated or subjected to 50°C for different durations prior to infectivity on 293T-ACE2-TMPRSS2 (B) and 293T-ACE2 (D) cells. Results shown are the average of three independent experiments.