In order for a sentence to be grammatically correct, the subject and verb must both be singular or plural. In other words, the subject and verb must agree with one another in their tense. If the subject is in plural form, the verb should also be in plur al form (and vice versa).
From Marrian-Webster: Definition of biocontainment<span>. : the containment of extremely pathogenic organisms (as viruses) usually by isolation in secure facilities to prevent their accidental release especially during research.</span>
