Sentence examples for challenge date from inspiring English sources

The roots of the legal challenge date back nearly 13 years.

Serum samples were collected at days -1, 6, and 28 relative to the challenge date.

The Unit will be notified of their challenge date and when stool clearance has been completed.

Table  1 shows the experimental design describing number of animals, vaccination date and route, date of challenge, date of BoHV-1 specific antibodies determination, BoHV-1 excretion in nasal fluids, date of lymphoproliferative response.

As in the Asian community, the increasing diversity of the city's Hispanic population should help challenge dated notions.

Human challenges date back to the 18th century and the first vaccine, when English physician Edward Jenner attempted to persuade the world that infecting a person with harmless cowpox could prevent disease from its dreaded cousin, smallpox.

Some of the best strategies to meet our contemporary sleep challenges date back to 4,000 to 1,000 B.C., arising from Babylonian and Sumerian cultures.

And it may come as a surprise that some of the best strategies to meet our contemporary sleep challenges date back to 4,000 to 1,000 B.C., arising from Babylonian and Sumerian cultures.

The use of materials to solve healthcare challenges dates back to ancient times when simple prosthetics made of wood were used to augment the function of lost limbs.

Greene, Shiel (29 disposals), Stephen Coniglio (30 touches) and Josh Kelly (29 possessions) were prominent but teammate Adam Kennedy was concussed in the final term ahead of the Giants' challenging dates in the next fortnight with Geelong and Sydney.

His life story has been one of overcoming seemingly insurmountable challenges, dating to his service in the Korean War when he nearly froze to death while under attack by the Chinese, so New York politicians have been skittish about how the ruling would affect the outcome of the September primary.