Vaccine data CER analysis
Two peaks on a graph: a small first bump after the shot, then a taller, sharper spike after the booster. What is that second, bigger peak proving about your immune memory?
Students will analyze and data and write a CER about immunity.
- • CER includes claim, evidence, and reasoning.
- • Reasoning correctly explains immune memory.
- If a graph shows levels jumping higher and faster the second time, what does that tell you the body remembered?
- Name one reason a blood level might not tell the whole story about whether someone is still protected.
- 1Examine a graph of levels after vaccination.
- 2Make a claim about how vaccines build immunity.
- 3Cite two data points as evidence.
- 4Add reasoning connecting memory cells to protection.
- 5Note one limitation of the data.
🛠 Get unstuck · pick your level
🔑 Today's words · 5
Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: The taller, faster second peak appears because memory B cells recognize the instantly, so the graph is quantitative proof that vaccines build durable memory even as circulating antibodies wane.
- 0-10Distribute and orient the graph; label key features (peaks, doses, time axis)
- 10-25Guided annotation: mark primary response, secondary response, memory cell involvement
- 25-45Draft CER: claim about immunity, two data-point evidence entries, reasoning naming memory cells
- 45-58Add limitations section: at least one real limitation explained briefly
- 58-70: check that reasoning explicitly names memory cells and a mechanism
- 70-80Revise and submit CER
- • A trial produces exactly this kind of graph: levels over time after one or two doses.
- • Today you will read that graph as a scientist and translate it into a CER.
- • Connecting the peak level to memory-cell generation is the mechanistic reasoning that earns full marks.
- • You will also note a real limitation so your argument is scientifically honest.
- • A post-vaccination graph typically shows a primary peak followed by a higher, faster secondary peak after a booster or re-exposure.
- • Memory B cells are the cellular basis of long-term protection.
- • Limitations of data include waning immunity over time and individual variation in response.
Unit 3.2 Body Guards: Skin/accessory organs, lymphatic and immune systems, pathogens, immune cells, antigen response. · data CER analysis
Day 4 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Complete the or data-analysis prompt in Lesson 3.2 Body Guards on myPLTW; finish it before of your immunity CER.
Mark the analysis task complete in myPLTW after submitting your -data CER.
Modeling task is done; today the analysis task should show complete and your CER should be submitted.
Screenshot or note of completion status for your tracker.
All PLTW activities are completed inside the PLTW course environment: this page only gives direction. Submit producibles on Schoology.
Check things off as you work, then submit. This tells Mr. Mendoza how you're doing so he can help the class. It does not replace turning in your producible on Schoology.
Use the code Mr. Mendoza gave you, not your name. Saved on this device.
Unit 3.2 Body Guards: Skin/accessory organs, lymphatic and immune systems, pathogens, immune cells, antigen response. · Vaccine data CER analysis
Complete the or data-analysis prompt in Lesson 3.2 Body Guards on myPLTW; finish it before of your immunity CER.
Modeling task is done; today the analysis task should show complete and your CER should be submitted.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Students will analyze and data and write a CER about immunity.
- Examine a graph of levels after vaccination.
- Make a claim about how vaccines build immunity.
- Cite two data points as evidence.
- Add reasoning connecting memory cells to protection.
- Note one limitation of the data.
CER: Written CER analyzing a graph: claim about how vaccines build immunity, two specific data-point evidence entries, reasoning connecting memory B cells to protection, and one limitation.
Turn it in on Schoology using the checklist just below. Upload by 11:29 PM for full credit.
| Task | Who |
|---|---|
| Examine a graph of levels after vaccination. | _______ |
| Make a claim about how vaccines build immunity. | _______ |
| Cite two data points as evidence. | _______ |
| Add reasoning connecting memory cells to protection. | _______ |
| Note one limitation of the data. | _______ |
Working solo? Put your own name in "Who" for every row.
- CER includes claim, evidence, and reasoning.
- Reasoning correctly explains immune memory.
- 1Do thisStudents will analyze vaccine and antibody data and write a CER about immunity.
- 2Use this resource
- 3Submit thisCER: Written CER analyzing a vaccine antibody graph: claim about how vaccines build immunity, two specific data-point evidence entries, reasoning connecting memory B cells to protection, and one limitation.
- 4Submit it here
- 1Open Clever.
- 2Microsoft (district) sign-in.
- 3Schoology and myPLTW are both in Clever.
Look for this assignment in Schoology: Human Anatomy & Physiology (Human Body Systems) › Unit 3.2 Body Guards: Skin/accessory organs, lymphatic and immune systems, pathogens, immune cells, antigen response. › CEROpen Schoology
Learn it · deck, reading, and vocabulary▸
Tier 1 is the time-boxed teacher set for the block; Tier 2 adds scaffolded vocabulary, examples, and a reading routine; Tier 3 extends into careers and current biomedical applications.
Generated from this lesson's canonical data with a red-team citation check.
Students often think Students often think a high level right after vaccination means you are protected for life.. The trap: That is the trap: levels wane over time, and the level varies from person to person. The durable protection comes from memory B cells, which can rebuild antibodies fast even after blood levels drop. Reading only the peak, and ignoring the waning and the individual variation, overstates what the data proves.
Parallel scenario (NOT today's prompt): A person once exposed to tuberculosis bacteria gets a Mantoux skin test. A tiny amount of TB protein is injected just under the skin, and 48 hours later a nurse measures the induration, the firm raised bump, in millimeters. A second person who has never been exposed to TB gets the same test. The results table shows: exposed person, 15 mm of induration; never-exposed person, 0 mm. Read the data and write a CER about immune memory.\n\nClaim: The skin-test data show that the previously exposed person carries lasting immune memory for the TB bacteria, while the never-exposed person does not.\n\nEvidence: At the same 48-hour reading, the exposed person developed 15 mm of induration at the injection site. The never-exposed person developed 0 mm of induration under identical test conditions.\n\nReasoning: The first exposure to TB caused the immune system to make memory T cells specific to that bacterium. When the test reintroduced the TB protein, those memory T cells recognized it and triggered a fast, localized response that pulled immune cells and fluid into the area, producing the firm 15 mm bump. The never-exposed person had no matching memory T cells, so nothing recognized the protein and no reaction formed, which is why the induration measured 0 mm. The difference in millimeters is the visible signature of cell-mediated immune memory: a measurable reaction means the body has met this antigen before.\n\nLimitation: A single induration measurement shows that memory exists, but it does not reveal how strong the protection is or how long it will last, and it cannot by itself distinguish past infection from a prior TB vaccine. Reactions can also vary from person to person, so one reading is not proof of full immunity.
Also due today: Submit your CER to the Schoology assignment for HBS Immune Day 4.
- CER:
- Claim, Evidence, Reasoning: make a claim, back it with evidence, explain your reasoning.
- SOP:
- Standard Operating Procedure, the exact steps to follow (especially in a lab).
- Tracker:
- Your PLTW progress log where you record completed evidence.
- myPLTW:
- The PLTW course site where you do the online activities. Find it in Clever with your Microsoft sign-in, right next to Schoology.
Tap the speaker to hear a term. Add two of these to your notebook glossary with a definition and an example in your own words.
Pick just 2 or 3 words from today and make them yours: write what each one means in your own words, then give one example from what you actually did in Vaccine data CER analysis. Try your own words first; the glossary is there if you get stuck. This is voluntary and counts as extra credit, so keep it short.
Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.
Hand-picked readings, videos, and interactives for this lesson, all free and from authoritative open organizations (NIH, CDC, OpenStax, Khan Academy, PhET, HHMI, and more).
A fillable, Cornell-style notebook for Unit 3: Adventure Awaits. Type your notes, cues, and summaries right in the PDF, or print it and write by hand. Each lesson page has a cue column, a notes column, and a summary box, plus dated lab-record pages you can turn in.
HBS Unit 3 notebook: Adventure Awaits Fillable PDFCornell notes + lab recordsOpenVetted readings and references for this unit. Use them to prepare, to catch up if you were absent, or to go deeper on today's target.
Check yourself · commit, then reveal▸
A graph shows antibody levels six months after vaccination have dropped noticeably. A student concludes the vaccine stopped working. Is that conclusion correct? Explain using memory cells.
Write an answer and pick a confidence to unlock the key.
Fast retrieval with instant answers, not the commit-then-reveal check above. Try each from memory first: write what you remember about the earlier units, then check yourself here.
Go further and get help▸
What today's skills lead to. These are real health-science careers this course builds toward. Tap one to see, on the US Department of Labor's O*NET site, what the job actually involves, what it pays, and how fast it is growing.
Today is individual PLTW work, so do exactly what we did in class, from home: complete the same PLTW target above, then submit your CER.
Open Schoology (CMSD) and keep goingHow to get there: open Clever and sign in with your Microsoft (district) account. You will find both Schoology and myPLTW right there in Clever. Turn in your work on Schoology; do the online activities in myPLTW.
Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
MedlinePlus: Immune System and DisordersYou've passed Unit 2, so the optional extra-credit track is open. Complete reserved-unit work from home (virtual labs included) for extra credit, submitted on Schoology.
Open the extra-credit track- CompleteEvery required part of the artifact is present, nothing left blank.
- AccurateThe science and the data are correct and match the evidence.
- Scientific reasoningYou explain your claim with evidence and reasoning (CER), not just an answer.
- Professional communicationClear, organized, labeled, and written the way a clinician or scientist would.
- SubmittedTurned in the right way (Schoology for routine work) and confirmed.

