SOCIAL QUESTIONS|health|pharmaceutical industry · SOCIAL QUESTIONS|health|pharmaceutical industry|pharmaceutical product|vaccine · SCIENCE|natural and applied sciences|life sciences|biology
- filleadh ar nimhneacht Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- reversion to virulence | revert to virulence | reverting to virulent
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- Definition return of an attenuated organism contained in a vaccine to the original virulent condition Reference "COM-Terminology Coordination, based on:Different Types of Vaccines (3.5.2022), History of Vaccines, The College of Physicians of Philadelphia"