diff --git a/src/index.ts b/src/index.ts
index 1b34708..1b403df 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,7 @@
-import TabManager from "./TabManager";
-import sections from "./sections";
+import TabManager from "./ui/TabManager";
+import sections from "./ui/sections";
 import { nextAnimationFrame } from "./utils";
-import { searchBox } from "./search";
+import { searchBox } from "./scripts/search";
 
 // @ts-expect-error: Parcel image import
 import unknown from "~/assets/images/tab-icons/unknown.svg";
@@ -51,7 +51,7 @@ async function load() {
     manager.setLoading(false);
 
     // Set first page as active
-    manager.setActive("Guide_to_chemistry");
+    manager.setActive("Infections");
   });
 }
 if ("serviceWorker" in navigator) {
diff --git a/src/darkmode.ts b/src/scripts/darkmode.ts
similarity index 100%
rename from src/darkmode.ts
rename to src/scripts/darkmode.ts
diff --git a/src/userscript.ts b/src/scripts/index.ts
similarity index 74%
rename from src/userscript.ts
rename to src/scripts/index.ts
index 9eb5214..45daf7b 100644
--- a/src/userscript.ts
+++ b/src/scripts/index.ts
@@ -1,11 +1,14 @@
 import { darken, ColorFmt, lighten } from "./darkmode";
 import { registerSearchEntries } from "./search";
 import { findParent } from "./utils";
+import chemistryScript from "./pages/chemistry";
 
 // This is used for cache busting when userscript changes significantly.
 // Only change it when you made changes to the processHTML part!
 export const CURRENT_VERSION = "bb7abd544a19369d4b6b7e3dde3eb3cc34c023d4";
 
+const MAX_WIDTH = 440;
+
 function chemistryFixups(root: HTMLElement) {
   // Fix inconsistencies with <p> on random parts
   // Ideally I'd like a <p> or something on every part, wrapping it completely, but for now let's just kill 'em
@@ -246,115 +249,35 @@ export function processHTML(root: HTMLElement, docname: string): void {
   }
 }
 
-function chemistryScript(root: HTMLElement) {
-  // Add event to autofill child checkboxes
-  root
-    .querySelectorAll(".bgus_part_tooltip > .bgus_checkbox")
-    .forEach((box: HTMLInputElement) => {
-      const tooltip = box.parentElement.nextElementSibling;
-      box.addEventListener("click", () => {
-        tooltip
-          .querySelectorAll(".bgus_checkbox")
-          .forEach((el: HTMLInputElement) => {
-            el.checked = box.checked;
-          });
-      });
-    });
+function virologyScript(root: HTMLElement): void {
+  const symptoms = document.querySelector("#Symptoms_Table .wikitable");
+  //parseTable(symptoms);
+}
 
-  // Add event to collapse subsections
-  root.querySelectorAll(".bgus_nested_element").forEach((twistie) => {
-    twistie.addEventListener("click", () => {
-      twistie.classList.toggle("bgus_collapsed");
-    });
-  });
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export function postProcessHTML(root: HTMLElement, docname: string): void {
+  // This should be noop unless we're testing changes before committing them to processHTML
+  document.querySelectorAll("img[width]").forEach((img) => {
+    const width = img.getAttribute("width");
 
-  const setPartSize = (labels, ml) => {
-    labels.forEach((el) => {
-      const part = el.parentElement.dataset.amount;
-      const total = el.parentElement.parentElement.dataset.parts;
-      const amt = Math.ceil(ml * (part / total));
-      el.innerHTML = `${amt} ml`;
-      // Lookup tooltips
-      let next = el.parentElement.nextElementSibling;
-      while (next) {
-        if (next.classList.contains("tooltip")) {
-          const sublabels = [];
-          next.querySelector(".tooltiptext").childNodes.forEach((ch) => {
-            if (ch.classList && ch.classList.contains("bgus_part")) {
-              sublabels.push(ch.querySelector(".bgus_part_label"));
-            }
-          });
-          setPartSize(sublabels, amt);
-        }
-        if (next.classList.contains("bgus_part")) {
-          // Done searching
-          break;
-        }
-        next = next.nextElementSibling;
-      }
-    });
-  };
+    // Don't care if they are not absolutely sized
+    if (width.includes("%")) {
+      return;
+    }
 
-  // Init fuzzy search with elements
-  const el = Array.from(
-    root.querySelectorAll<HTMLElement>(
-      "table.wikitable > tbody > tr:not(:first-child) > th"
-    )
-  );
-  registerSearchEntries(
-    el.map((element, id) => ({
-      page: "Guide_to_chemistry",
-      name: element
-        .querySelector(".reagent-header")
-        .textContent.trim()
-        .replace("▮", ""),
-      element,
-      alignment: "center",
-      id,
-    }))
-  );
-
-  document.body.addEventListener("keydown", (ev) => {
-    if (ev.shiftKey) {
-      switch (ev.keyCode) {
-        // SHIFT+C = Toggle checkboxes
-        case 67: {
-          root.classList.toggle("bgus_cbox");
-          root
-            .querySelectorAll(".bgus_checkbox:checked")
-            .forEach((sel: HTMLInputElement) => {
-              sel.checked = false;
-            });
-          break;
-        }
-
-        // SHIFT+B = Set whole size (beaker?) for parts/units
-        case 66: {
-          const size = parseInt(
-            prompt("Write target ml (0 to reset)", "90"),
-            10
-          );
-          if (Number.isNaN(size) || size <= 0) {
-            // Reset to parts/unit
-            root
-              .querySelectorAll(".bgus_part_label")
-              .forEach((sel: HTMLElement) => {
-                sel.innerHTML = sel.dataset.src;
-              });
-            return;
-          }
-          setPartSize(
-            root.querySelectorAll("td > .bgus_part > .bgus_part_label"),
-            +size
-          );
-          break;
-        }
-
-        default:
-        // Do nothing
-      }
+    const widthI = parseInt(width, 10);
+    if (widthI > MAX_WIDTH) {
+      img.setAttribute("width", "100%");
+      img.removeAttribute("height"); // Remove any height so we don't have to deal with the crazy math
     }
   });
+
+  switch (docname) {
+    case "Infections":
+      virologyScript(root);
+      break;
+    default:
+  }
 }
 
 function genericScript(root: HTMLElement, docname: string) {
@@ -387,6 +310,7 @@ export function bindFunctions(root: HTMLElement, docname: string): void {
 
 export default {
   CURRENT_VERSION,
+  postProcessHTML,
   processHTML,
   bindFunctions,
 };
diff --git a/src/scripts/pages/chemistry.ts b/src/scripts/pages/chemistry.ts
new file mode 100644
index 0000000..d320c01
--- /dev/null
+++ b/src/scripts/pages/chemistry.ts
@@ -0,0 +1,112 @@
+import { registerSearchEntries } from "../search";
+
+export default function chemistryScript(root: HTMLElement): void {
+  // Add event to autofill child checkboxes
+  root
+    .querySelectorAll(".bgus_part_tooltip > .bgus_checkbox")
+    .forEach((box: HTMLInputElement) => {
+      const tooltip = box.parentElement.nextElementSibling;
+      box.addEventListener("click", () => {
+        tooltip
+          .querySelectorAll(".bgus_checkbox")
+          .forEach((el: HTMLInputElement) => {
+            el.checked = box.checked;
+          });
+      });
+    });
+
+  // Add event to collapse subsections
+  root.querySelectorAll(".bgus_nested_element").forEach((twistie) => {
+    twistie.addEventListener("click", () => {
+      twistie.classList.toggle("bgus_collapsed");
+    });
+  });
+
+  const setPartSize = (labels, ml) => {
+    labels.forEach((el) => {
+      const part = el.parentElement.dataset.amount;
+      const total = el.parentElement.parentElement.dataset.parts;
+      const amt = Math.ceil(ml * (part / total));
+      el.innerHTML = `${amt} ml`;
+      // Lookup tooltips
+      let next = el.parentElement.nextElementSibling;
+      while (next) {
+        if (next.classList.contains("tooltip")) {
+          const sublabels = [];
+          next.querySelector(".tooltiptext").childNodes.forEach((ch) => {
+            if (ch.classList && ch.classList.contains("bgus_part")) {
+              sublabels.push(ch.querySelector(".bgus_part_label"));
+            }
+          });
+          setPartSize(sublabels, amt);
+        }
+        if (next.classList.contains("bgus_part")) {
+          // Done searching
+          break;
+        }
+        next = next.nextElementSibling;
+      }
+    });
+  };
+
+  // Init fuzzy search with elements
+  const el = Array.from(
+    root.querySelectorAll<HTMLElement>(
+      "table.wikitable > tbody > tr:not(:first-child) > th"
+    )
+  );
+  registerSearchEntries(
+    el.map((element, id) => ({
+      page: "Guide_to_chemistry",
+      name: element
+        .querySelector(".reagent-header")
+        .textContent.trim()
+        .replace("▮", ""),
+      element,
+      alignment: "center",
+      id,
+    }))
+  );
+
+  document.body.addEventListener("keydown", (ev) => {
+    if (ev.shiftKey) {
+      switch (ev.keyCode) {
+        // SHIFT+C = Toggle checkboxes
+        case 67: {
+          root.classList.toggle("bgus_cbox");
+          root
+            .querySelectorAll(".bgus_checkbox:checked")
+            .forEach((sel: HTMLInputElement) => {
+              sel.checked = false;
+            });
+          break;
+        }
+
+        // SHIFT+B = Set whole size (beaker?) for parts/units
+        case 66: {
+          const size = parseInt(
+            prompt("Write target ml (0 to reset)", "90"),
+            10
+          );
+          if (Number.isNaN(size) || size <= 0) {
+            // Reset to parts/unit
+            root
+              .querySelectorAll(".bgus_part_label")
+              .forEach((sel: HTMLElement) => {
+                sel.innerHTML = sel.dataset.src;
+              });
+            return;
+          }
+          setPartSize(
+            root.querySelectorAll("td > .bgus_part > .bgus_part_label"),
+            +size
+          );
+          break;
+        }
+
+        default:
+        // Do nothing
+      }
+    }
+  });
+}
diff --git a/src/scripts/pages/virology.ts b/src/scripts/pages/virology.ts
new file mode 100644
index 0000000..e69de29
diff --git a/src/search.ts b/src/scripts/search.ts
similarity index 98%
rename from src/search.ts
rename to src/scripts/search.ts
index 08489b9..bfee9fb 100644
--- a/src/search.ts
+++ b/src/scripts/search.ts
@@ -1,5 +1,5 @@
-import { nextAnimationFrame } from "./utils";
-import TabManager from "./TabManager";
+import { nextAnimationFrame } from "../utils";
+import TabManager from "../ui/TabManager";
 
 interface SearchEntry {
   page: string;
diff --git a/src/scripts/utils.ts b/src/scripts/utils.ts
new file mode 100644
index 0000000..c51c129
--- /dev/null
+++ b/src/scripts/utils.ts
@@ -0,0 +1,15 @@
+export function findParent(
+  base: HTMLElement,
+  matchFn: (candidate: HTMLElement) => boolean
+): HTMLElement | null {
+  let parent = base.parentElement;
+  while (parent != null) {
+    if (matchFn(parent)) {
+      break;
+    }
+    parent = parent.parentElement;
+  }
+  return parent;
+}
+
+export default { findParent };
diff --git a/src/TabManager.ts b/src/ui/TabManager.ts
similarity index 96%
rename from src/TabManager.ts
rename to src/ui/TabManager.ts
index 0d52e22..99a8b6e 100644
--- a/src/TabManager.ts
+++ b/src/ui/TabManager.ts
@@ -1,10 +1,14 @@
 // @ts-expect-error: Asset imports are handled by parcel
 import speen from "~/assets/images/speen.svg";
-import { getPageHTML } from "./wiki";
-import { processHTML, bindFunctions, CURRENT_VERSION } from "./userscript";
-import cache from "./cache";
-import { nextAnimationFrame, delay } from "./utils";
-import { TabInfo } from "./sections";
+import { getPageHTML } from "../wiki";
+import {
+  processHTML,
+  bindFunctions,
+  CURRENT_VERSION,
+  postProcessHTML,
+} from "../scripts/index";
+import cache from "../cache";
+import { nextAnimationFrame, delay } from "../utils";
 
 // @ts-expect-error: Parcel image import
 import unknown from "~/assets/images/tab-icons/unknown.svg";
@@ -76,6 +80,8 @@ async function loadPage(page: string, elem: HTMLElement): Promise<HTMLElement> {
   } else {
     // Set cached content as HTML
     elem.innerHTML = html;
+
+    postProcessHTML(elem, page); // noop in prod, used in dev for testing candidate DOM changes
   }
 
   bindFunctions(elem, page);
diff --git a/src/sections.ts b/src/ui/sections.ts
similarity index 100%
rename from src/sections.ts
rename to src/ui/sections.ts
diff --git a/src/utils.ts b/src/utils.ts
index 8ca2d74..2dc1240 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,17 +1,3 @@
-export function findParent(
-  base: HTMLElement,
-  matchFn: (candidate: HTMLElement) => boolean
-): HTMLElement | null {
-  let parent = base.parentElement;
-  while (parent != null) {
-    if (matchFn(parent)) {
-      break;
-    }
-    parent = parent.parentElement;
-  }
-  return parent;
-}
-
 export function nextAnimationFrame(): Promise<void> {
   return new Promise((resolve) => requestAnimationFrame(() => resolve()));
 }
@@ -22,4 +8,4 @@ export function delay(ms: number): Promise<void> {
   });
 }
 
-export default { findParent, nextAnimationFrame, delay };
+export default { nextAnimationFrame, delay };