This 2004 study of the mechanisms of action of neoadjuvant Herceptin, states:
"Interestingly, it may be worth to note that, shortly
before diagnosis of breast carcinoma, the patient who underwent
a complete pathological remission experienced a herpes virus
infection that might have increased NK activity, as reported
recently
(11) "
http://clincancerres.aacrjournals.or...ull/10/17/5650
Hopeful