A variation or mutant of a microorganism, virus, or disease.

Referring to a less severe or reduced form of something.

किसी चीज़ का कम गंभीर या घटित रूप।

English Usage: The research focused on the attenuated strain of the disease that had milder symptoms.

Hindi Usage: शोध ने उस बीमारी के कमजोर रूप पर ध्यान केंद्रित किया जिसमें हल्के लक्षण थे।