div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5page1jpg target=_blank img data-url=and-produce-memory-cells-de-secondary-response-pathogen-so-much-faster-thanhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: and produce memory cells de Secondary response: pathogen so much faster than the primary Explain the difference between Class I and Class Il major loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5page2jpg target=_blank img data-url=and-produce-memory-cells-de-secondary-response-pathogen-so-much-faster-thanhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: and produce memory cells de Secondary response: pathogen so much faster than the primary Explain the difference between Class I and Class Il major loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5page3jpg target=_blank img data-url=and-produce-memory-cells-de-secondary-response-pathogen-so-much-faster-thanhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: and produce memory cells de Secondary response: pathogen so much faster than the primary Explain the difference between Class I and Class Il major loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5page4jpg target=_blank img data-url=and-produce-memory-cells-de-secondary-response-pathogen-so-much-faster-thanhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: and produce memory cells de Secondary response: pathogen so much faster than the primary Explain the difference between Class I and Class Il major loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer20220304225aa9dcba7f8b9a95188d6558html5thumbnails4jpg width=140 height=200 adivdiv