<div dir="ltr"><div class="gmail_quote"><br><div lang="EN-US" link="blue" vlink="purple"><div class="m_5692882475183919531WordSection1"><table class="m_5692882475183919531MsoNormalTable" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td colspan="2" style="padding:0in 0in 0in 0in"></td></tr><tr><td valign="top" style="padding:0in 0in 0in 0in"></td><td valign="top" style="padding:0in 0in 0in 0in"></td></tr></tbody></table><p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><a href="http://www.sdsualumni.org/controls/email_marketing/admin/email_marketing_email_viewer.aspx?sid=997&eiid=7366&seiid=0&usearchive=1&puid=a238f502-1c71-4818-878e-f76cd8cb034f" target="_blank">View this email in a web page</a><u></u><u></u></span></p><div align="center"><table class="m_5692882475183919531MsoNormalTable" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td colspan="2" style="padding:0in 0in 0in 0in"><div><div><p align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> <span style="border:solid windowtext 1.0pt;padding:0in"><img border="0" width="600" height="81" id="m_5692882475183919531_x0000_i1025" src="cid:image001.jpg@01D32ADB.9BB63390" alt="Image removed by sender."></span><u></u><u></u></span></p></div></div><div><div><p align="center" style="margin-bottom:12.0pt;text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> DATE: </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black"> <strong><span style="font-family:"Verdana","sans-serif"">Friday, September 15, 2017</span></strong></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p align="center" style="margin-bottom:12.0pt;text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> TITLE:  </span><strong><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">Disease Modeling at Within-Host and</span></strong><b><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black"><br><strong><span style="font-family:"Verdana","sans-serif"">Between-Hosts Scales: HIV and Influenza as</span></strong><br><strong><span style="font-family:"Verdana","sans-serif"">Case Studies</span></strong></span></b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p align="center" style="margin-bottom:12.0pt;text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> TIME: </span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">  <strong><span style="font-family:"Verdana","sans-serif"">3:30PM</span></strong></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p align="center" style="margin-bottom:12.0pt;text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> LOCATION: <strong><span style="font-family:"Verdana","sans-serif""> </span></strong></span><strong><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">GMCS 314</span></strong><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p align="center" style="margin-bottom:12.0pt;text-align:center"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"> SPEAKER:</span><span style="font-size:13.5pt;font-family:"Verdana","sans-serif";color:black">  <strong><span style="font-family:"Verdana","sans-serif"">Dr. Naveen K. Vaidya,</span></strong><b><br><strong><span style="font-family:"Verdana","sans-serif"">Department of Mathematics and Statistics, SDSU</span></strong></b></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">ABSTRACT:<u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Mathematical models are becoming increasingly useful in studying the dynamics of infectious diseases, from within-host to between-hosts scales. With HIV and influenza as case studies, I will demonstrate how modeling can provide great insights into complex phenomena of these diseases. First, I will present a within-host model that can help address some of the issues related to the HIV treatments in the face of drug resistance. Our model shows that although drug therapy cannot suppress the viral load due to resistance, it can alter the viral fitness resulting in an increase in CD4+ T cell (immune cell) count, which should yield clinical benefits. Furthermore, this benefit depends on the cell proliferation rate, which, in some situations, produces sustained T-cell oscillations. Second, using a between-hosts population model of avian influenza (AI) dynamics under periodic environmental conditions, we formulate threshold indexes, such as the basic reproductive number and the disease invasion threshold, which can describe the global dynamics of AI transmission. Our results show that time-varying environmental temperature predicts several interesting features of AI dynamics, which are observed in real data: peak-time variation, place-to-place variation, and seasonal double peaks (summer and fall). </span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:9.5pt;font-family:"Verdana","sans-serif";color:black"> </span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:9.5pt;font-family:"Verdana","sans-serif";color:black">HOST: <strong><span style="font-family:"Verdana","sans-serif"">Antoni Luque </span></strong></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:9.5pt;font-family:"Verdana","sans-serif";color:black"> </span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:9.5pt;font-family:"Verdana","sans-serif";color:black">Dr. Jose E. Castillo<br>Director/Professor<br>Computational Science Research Center<br>5500 Campanile Drive<br>San Diego State University<br>San Diego, CA  92182-1245<br>(619) 59407205/3430, FAX <a href="tel:(619)%20594-2459" value="+16195942459" target="_blank">(619) 594-2459</a></span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u><u></u></span></p></div></div></td></tr><tr><td valign="top" style="padding:0in 0in 0in 0in"></td><td valign="top" style="padding:0in 0in 0in 0in"></td></tr></tbody></table></div><p align="center" style="text-align:center"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:#999999">San Diego State University<br>5500 Campanile Drive<br>San Diego CA 92182<br>If you wish to be removed from this group's mailing list, <a href="http://www.sdsualumni.org?sid=997&gid=6&pgid=37&cid=51&seiid=0&ecatid=4&puid=a238f502-1c71-4818-878e-f76cd8cb034f" target="_blank">click here</a><u></u><u></u></span></p></div></div><br>______________________________<wbr>_________________<br>
SDSU Computational Science Research Center<br>
Mailing List<br></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">







<p>Jose E. Castillo  Ph.D.</p><p>Director / Professor </p>
<p>Computational Science Research Center</p>
<p>5500 Campanile Dr</p>
<p>San Diego State University</p>
<p>San Diego CA 92182-1245</p>
<p>619 5947205/3430, Fax 619-594-2459</p><p> <a href="http://www.csrc.sdsu.edu/mimetic-book/" target="_blank">http://www.csrc.sdsu.edu/mimetic-book/</a></p></div>
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