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3 votes

Having tested positive for COVID-19, will future tests be positive?

There are two general categories of tests typically used for identifying viral infections: those based on viral genetic material and those based on host immune response. The CDC page on MERS-CoV ...
Bryan Krause's user avatar
  • 14.1k
3 votes
Accepted

Why is prothrombin time used to monitor warfarin and not aPTT?

According to UpToDate: At levels of therapeutic anticoagulation, VKAs (vitamin K antagonists) typically cause only mild prolongation (or do not prolong) the activated partial thromboplastin time (...
D.Tan's user avatar
  • 1,094
3 votes
Accepted

Was it a lab accident or something else that re-released H1N1 in 1977?

We have a more plausible reason for the reappearance in 1977 of H1N1. The thesis is that a live attenuated version of H1N1 (LAIV) was used by Chinese scientists who innoculated several 1000s military ...
Graham Chiu's user avatar
  • 13.3k
1 vote

Was it a lab accident or something else that re-released H1N1 in 1977?

According to a 1992 review the conclusion of release from a freezer is one obtained by elimination of alternatives: Where was this virus for 27 years? The possible explanations include ...
the gods from engineering's user avatar

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