Chapter 2058: 1987: Changing Toothbrush Every Three Years (Weapon Series 01 Bonus Chapter 5)

If there's something to say, say it; if you keep making a fuss like this, I'll call the police. Zheng Ren said impatiently.

He finally held back his inner irritation and said coldly.

Lin Yuan stood at the doorway, feeling curious; Zheng Lao Ban usually seemed mild-mannered, so why was he treating this patient as if his nose weren't a nose and his eyes weren't eyes?

Although the patient looked a bit unsavory, he was still a patient. Do we now have to judge by looks before seeing a doctor?

"Zheng Lao Ban, I… I have worms all over my body." Dahungya said.

"Worms?"

"All over the body?"

Zheng Ren and Su Yun asked at the same time.

"Well, look, heaven finally opened its eyes—are you trying to play Resident Evil or Alien?" Su Yun said with a smirk.

"I really…" Dahungya, seeing that Zheng Lao Ban and his assistant didn't believe him, immediately said anxiously, "That day after you scolded me, I went home and carefully reflected on my mistakes."

"Cut the crap, just spit it out!" Su Yun said.

Dahungya shuddered, then immediately said, "My throat is itchy, I start coughing, and the phlegm I cough up contains tiny black worms."

Su Yun showed a look of disdain, Lin Yuan widened his eyes watching, coughing up live worms that could even fly—this was simply amazing!

"It's fine, do you have any more now?" Zheng Ren said lightly.

"I can't cough up any that would fly now." Dahungya grasped at the last straw, saying, "But when I rinse my mouth I can see the tiny black worms."

He worried Zheng Lao Ban wouldn't believe him, glanced around, saw the washbasin, immediately ran over, turned on the faucet, and brought his mouth close to it.

Su Yun kicked Dahungya in the butt with a bang.

He had been staring, finally seized this opportunity; he stuck out his butt and kicked just right.

"Dirty or not?" Zheng Ren said unhappily, "Lin Yuan, do we have pure water?"

"Huh?" Lin Yuan looked stunned, but she reacted extremely quickly, saying, "I'll catch some in a disposable paper cup."

After saying that, she turned and ran off.

Dahungya wore a mournful face, full of resentment.

What's there to fear about drinking water? In the hospital… never mind.

"Do you know how these worms came to be?" Zheng Ren asked.

Dahungya shook his head.

"Wait a moment, let me look at the worms first."

Soon, Lin Yuan strode back with long legs, carrying a half‑cup of water in a disposable paper cup, and handed it to Zheng Lao Ban.

"Rinse your mouth, spit into the paper cup, and I'll check for worms."

Seeing Zheng Lao Ban's calm expression, Dahungya also gained some confidence; he gulped down the half‑cup of water, then began rinsing and spat it out.

Inside floated several black specks; Dahungya looked panicked and said, "Zheng Lao Ban, these are exactly those tiny worms."

"Just midges, nothing to worry about." Zheng Ren glanced casually and said lightly.

"Midges what?" Dahungya stared, then put on a bitter face and pleaded, "Zheng Lao Ban, with your skillful hands and benevolent heart, you can't just stand by and let someone die."

"You even know the phrase 'seeing death and not saving'?" Su Yun said scornfully, "I thought you only knew 'seeing money and opening your eyes'."

"It's just a very common tiny flying insect; do you sometimes see little flying bugs near your sink or bathtub at home?" Zheng Ren asked.

Dahungya thought hard and realized that was indeed the case.

But how would Zheng Lao Ban know? Even if there were tiny flying insects, they shouldn't be coughed up—could they have rebuilt their nests inside his body?

"Usually we talk about personal hygiene, drink less raw water, dental tools… do you brush your teeth?" Zheng Ren looked at Dahungya's mouth full of yellow teeth and asked helplessly.

"Um… once every three or four days?" Dahungya said uncertainly.

"Well, the dental tools also easily breed midges and lay eggs, with midge larvae growing. How often do you replace your toothbrush?"

"Three…"

"Three months? You've got guts." Su Yun snorted on the side.

"About three years." Dahungya thought hard and finally gave an answer.

"……"

Everyone was speechless.

Changing a toothbrush every three years—you're not joking, are you?

"Ah, it's fine." Zheng Ren sighed again, "Midges are also called moth flies; they are tiny hairy or scaly-winged dipteran insects, including blood‑sucking sandflies and the common indoor moth flies."

Dahungya listened blankly.

"Your problem is probably just poor personal hygiene; changing a toothbrush every three years likely means the midges in your toothbrush have gone through twenty‑five generations living together." Su Yun also said, laughing and crying at the same time.

"That simple?" Dahungya was a little doubtful.

"Go home, change your toothbrush, pay attention to personal hygiene, and give the house a thorough cleaning." Zheng Ren said: "You'll get better soon."

"Zheng Lao Ban, what medicine should I take?" Dahungya asked nervously.

"No need for medicine; just pay attention to personal hygiene."

"Um…"

Zheng Ren frowned and added another explanation.

"At home, midges usually breed in pools, baths, showerheads, or drains, especially those rarely used or slow‑draining. The larvae feed on sewage sludge, decaying plants, and microorganisms, and are commonly found around drain openings."

He didn't dare mention the toothbrush matter.

Even as bold as Zheng Lao Ban, he couldn't imagine what a three‑year‑old toothbrush looks like.

Although performing gastrointestinal surgery and handling feces is utterly routine for him, this Dahungya matter made even Zheng Lao Ban hesitate.

"There are also some domestic case reports of midge larvae detection; patients are usually long‑term school boarders. Because dormitories are crowded and washroom hygiene is poor… it's generally a transient infection. You just need to go home and pay more attention."

Zheng Ren vaguely handed over the toothbrush, unwilling to utter those two words no matter what.

"Let's go, let's go." Su Yun urged, "After you're done, hurry back home, don't loiter here."

Dahungya felt a slight hesitation in his heart, but seeing Zheng Lao Ban already growing impatient, he also thought of Liu Ye and the Wang Xian Zhang he had just seen.

He lowered his head, not daring to retort, and slunk out of the dressing room.

Seeing Dahungya walk away bent over, Su Yun said contemptuously, "People like this will eventually cause big trouble; the lowly will meet their reckoning."

"Hand over, prepare for the procedure." Zheng Ren said.

"Zheng Lao Ban, are you sure it's a midge?" Lin Yuan saw Zheng Ren not even doing any tests and felt surprised.

"What's wrong? Should I have him come back and spit again?" Su Yun retorted immediately, "Or else bring his toothbrush from home and you can test it?"

Just thinking about that three-year-old toothbrush made Lin Yuan feel nauseous.

"Certainly, morphologically it's a midge." Zheng Ren said confidently, "The larvae are slender and tubular, with a complete head, no legs, with anterior or posterior spiracular openings, and the body has 12–14 segments."

"The dorsal side often has ossified plates, the ventral lateral side frequently has protrusions aiding movement, the body bears bristles or rod-like hairs, the abdominal tip often bears long hairs or brush-like ornaments; aquatic larvae also have tracheal gills and suction-disc structures for attachment. It's clearly visible—didn't you notice?"

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