( ( Desquamation ( of ( these ( infected cells ) ) ) ) ( ( coincides ( with ( ( the peak ) ( of ( virus spread ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Desquamation)) (PP (IN of) (NP (DT these) (JJ infected) (NNS cells)))) (VP (VBZ coincides) (PP (IN with) (NP (NP (DT the) (NN peak)) (PP (IN of) (NP (NN virus) (NN spread)))))) (. .)))
Desquamation of these infected cells coincides with the peak of virus spread.
(ROOT (S (NP (NNP Tamiflu)) (VP (VBZ inhibits) (NP (NP (NN spread)) (PP (IN of) (NP (NN virus))))) (. .)))