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Volume 10, Number 7—July 2004

Research

Wind in November, Q fever in December

Hervé Tissot-Dupont*, Marie-Antoinette Amadei†, Meyer Nezri†, and Didier Raoult*Comments to Author 
Author affiliations: *Unité des Rickettsies, Faculté de Médecine, Marseille, France; †Centre Hospitalier Général, Martigues, France

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Table 2

Northwest wind (mistral) in November and December 1996 to 1999, expressed as the percentage of measures for three wind speed ranges

Years Northwest wind
>2 m/s (%) pa Northwest wind
>5 m/s (%) pa Northwest wind
>8 m/s (%) pa
Nov–Dec 1996
41.3
<10–7
47.3
<10-7
63.1
<10–6
Nov–Dec 1997
40.5
<10–7
50.0
<10-7
47.7
<10–7
Nov–Dec 1998
60.9

76.9

93.5

Nov–Dec 1999 52.4 0.01 72.3 0.21 (NS) 85.0 0.045

ap values refer to the comparison between the considered year and 1998.
bNS, not significant.

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