Krimi Samhara Suktam (Krishna Yajurveda) – krimi saṃhāra sūktam (yajurvēdīya)

atri̍ṇā tvā krime hanmi |
kaṇve̍na ja̱mada̍gninā |
vi̱śvāva̍so̱rbrahma̍ṇā ha̱taḥ |
krimī̍ṇā̱g̱ṃ rājā̎ |
apye̍ṣāg stha̱pati̍rha̱taḥ |
atho̍ mā̱tā’tho̍ pi̱tā |
atho̎ sthū̱rā atho̎ kṣu̱drāḥ |
atho̍ kṛ̱ṣṇā atho̎ śve̱tāḥ |
atho̍ ā̱śāti̍kā ha̱tāḥ |
śve̱tābhi̍ssa̱ha sarve̍ ha̱tāḥ || 

āha̱rāva̍dya |
śṛ̱tasya̍ ha̱viṣo̱ yathā̎ |
tatsa̱tyam |
yada̱muṃ ya̱masya̱ jambha̍yoḥ |
āda̍dhāmi̱ tathā̱ hi tat |
khaṇphaṇmrasi̍ || 

oṃ śāntiḥ śāntiḥ śāntiḥ |

This is a very powerful mantra for killing bacteria and viruses around your house, this is from Yajurveda(One among all 4 vedas)

Also see Sri suktam from yajurvedam

Durga suktam