1 Subjects: “...SARS-CoV-2...”

2 Subjects: “...SARS-CoV-2 detection...”

3 Subjects: “...CO2 emissions...”

4 Subjects: “...SARS CoV-2...”

5 Subjects: “...elevated CO2...”

6 Subjects: “...elevated CO2...”

7 Subjects: “...elevated CO2...”