Hope-Simpson, R E <br/><br/>
The epidemiology of viruses: antigenicity and evolution.  [electronic resource] 

 -  Proceedings of the Royal Society of Medicine  Nov 1969 
 - 1138-42 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0035-9157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antigens<br/>Disease Outbreaks--immunology<br/>Epidemiology<br/>Herpesvirus 3, Human--immunology<br/>Humans<br/>Measles virus--immunology<br/>Mumps virus<br/>Mutation<br/>Orthomyxoviridae--immunology<br/>Reoviridae<br/>Virus Diseases--immunology