Sentence examples for immunity wanes from inspiring English sources

New approaches to effectively vaccinate newborns so they produce their own immune responses when passive immunity wanes are highly sought.

As maternal immunity wanes, carrier pigs can transmit the infection to non-immune pigs [ 44, 45], a situation likely to occur as pigs from several sources enter a unit at a fattening herd [ 6, 46].

Conjugate vaccines elicit a more robust immune response than polysaccharide-only vaccines, which are limited in that immunity wanes after 3 5 years and in that they are not immunogenic in very young children [ 15– 17].

If immunity wanes, a booster shot may be necessary.

Contrary to the commonly held belief that varicella-zoster viral infection can only occur once, reactivated infection can occur once immunity wanes.

They will soon know whether booster shots of the chickenpox vaccine will prevent this nasty virus from recurring as natural immunity wanes with advancing age.

Notably, even very young infants were at risk of smallpox, because although maternal smallpox antibodies transferred in utero conferred immunity to infants of immune mothers, this immunity waned quickly, regardless of breastfeeding.

Results showed that the efficacy of any immunization schedule was highly influenced by the rate at which immunity waned and that the benefit of a booster dose increased with increasing rates of waning immunity.

The report acknowledged that immunising children might mean a greater number of elderly people developed shingles as the level of immunity waned.

Even children who are fully vaccinated for whooping cough before kindergarten see their immunity wane over time, and that has also been a factor in the Marin outbreak.

The median duration of residence in each phase is 4 years for vaccine immunity waning and 8 years for natural immunity waning.