Response of Volunteers to Inoculation with Hemagglutinin-positive and Hemagglutinin-negative Variants of Coxsackie A₂₁ Virus

^{National Institute of Allergy and Infectious Diseases, Laboratory of Clinical Investigations, Bethesda, Md.}

^{Middle America Research Unit, Balboa Heights, Canal Zone}

Address requests for reprints to Dr. Vernon Knight, Clinical Director, National Institute of Allergy and Infectious Diseases, Bethesda, Md. 20014.

Submitted for publication December 7, 1964; accepted March 4, 1965.

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^{National Institute of Allergy and Infectious Diseases, Laboratory of Clinical Investigations, Bethesda, Md.}

^{Middle America Research Unit, Balboa Heights, Canal Zone}

Address requests for reprints to Dr. Vernon Knight, Clinical Director, National Institute of Allergy and Infectious Diseases, Bethesda, Md. 20014.

Submitted for publication December 7, 1964; accepted March 4, 1965.

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^{National Institute of Allergy and Infectious Diseases, Laboratory of Clinical Investigations, Bethesda, Md.}

^{Middle America Research Unit, Balboa Heights, Canal Zone}

Address requests for reprints to Dr. Vernon Knight, Clinical Director, National Institute of Allergy and Infectious Diseases, Bethesda, Md. 20014.

Submitted for publication December 7, 1964; accepted March 4, 1965.

Find articles by Couch, R. in: JCI | PubMed | Google Scholar

^{National Institute of Allergy and Infectious Diseases, Laboratory of Clinical Investigations, Bethesda, Md.}

^{Middle America Research Unit, Balboa Heights, Canal Zone}

Address requests for reprints to Dr. Vernon Knight, Clinical Director, National Institute of Allergy and Infectious Diseases, Bethesda, Md. 20014.

Submitted for publication December 7, 1964; accepted March 4, 1965.

Find articles by Knight, V. in: JCI | PubMed | Google Scholar

^{National Institute of Allergy and Infectious Diseases, Laboratory of Clinical Investigations, Bethesda, Md.}

^{Middle America Research Unit, Balboa Heights, Canal Zone}

Address requests for reprints to Dr. Vernon Knight, Clinical Director, National Institute of Allergy and Infectious Diseases, Bethesda, Md. 20014.

Submitted for publication December 7, 1964; accepted March 4, 1965.

Find articles by Johnson, K. in: JCI | PubMed | Google Scholar