The following virus can be grown only in suckling mice-: (A) Coxsackie virus, (B) Rhinovirus, (C) Echovirus, (D) Poliovirus
Answer is A. Ans. is 'a' i.e., Coxsackie virus . It is necessary to employ suckling mice for the isolation of coxsackie viruses. . Inoculation is usually made by intracerebral, subcutaneous and intraperitoneal route. . Adult mice are not susceptible.