[Direct answer]In the Beijing area, compensation can be claimed according to law without first determining whose fault it is. According to Article 1223 of the Civil Code of the People's Republic of China, if a patient is harmed due to defects in drugs, disinfection products, or medical devices, or due to the input of unqualified blood, the patient may request compensation from the producer or the blood supply institution, or from the medical institution; after the medical institution compensates, it has the right to recover the compensation from the responsible producer or blood supply institution. At the same time, according to Article 1221, if the medical institution or its medical staff are at fault and cause harm to the patient, the medical institution shall bear the liability for compensation; Article 1222 also stipulates the circumstances in which the medical institution is presumed to be at fault, including violating the medical treatment norms, concealing or refusing to provide medical records, and losing or tampering with medical records. Action guidance: Immediately seal the medical records and records related to blood transfusion, retain the information of the blood bags, and seek medical examination in time.

1. Problem background and typical scenarios

When patients receive blood transfusions during surgery or treatment and are later found to be infected with viruses or bacteria, their first reaction is often shock—is the blood itself defective, or did something go wrong during the procedure? A typical scenario is: after being diagnosed with an infection after a blood transfusion during hospitalization, the hospital and the blood station blame each other; patients want to protect their rights but don't know who to sue or what evidence to preserve. Blood transfusion-related infections involve two aspects: blood quality and medical procedures, and there may be more than one responsible party.

II. Key points of contention

Firstly, the causal relationship between the infection and the blood transfusion; Secondly, whether there are any defects in the blood; Thirdly, whether there are any operational errors on the part of the medical institutions; Fourthly, whether the patients should claim compensation from the blood station or the hospital. The core point is that the law provides patients with a choice of compensation paths, without the need to first identify the party at fault on their own.

III. Professional analysis by Henglue Lawyers

The experience of Henglue in handling medical malpractice and product liability cases shows that the key to safeguarding rights in blood transfusion-related infections lies in three critical steps: "sealing, testing, and appraisal". First, sealing: Patients or their families should request to seal all medical records, including surgical and blood transfusion records, blood transfusion consent forms, test reports, nursing records, blood bag labels, cross-matching records, etc., as soon as they become aware of the situation. If the medical records are concealed, refused to be provided, lost, falsified, or illegally destroyed, Article 1222 of the Civil Code may presume that the medical institution is at fault. Second, testing: Conduct timely infections-related tests and confirmations to identify the pathogen and the time of infection, providing a basis for causality judgment; if necessary, re-examine the blood samples. Third, appraisal: The causal relationship between blood transfusion and infection, as well as the faults of all parties, often need to be determined through medical malpractice appraisal or product quality appraisal. Legally, if damage is caused by transfusion of unqualified blood, patients can request compensation from the blood supply institutions (such as blood stations) or medical institutions. If the medical institution compensates, it has the right to seek recourse from the responsible party; if there are operational errors at the same time, they can also claim medical malpractice liability. In practice, patients often face difficulties in obtaining evidence from medical institutions and lack professional judgment. Therefore, it is effective to engage lawyers as soon as possible to apply for evidence sealing and appraisal to avoid evidence loss and passive burden of proof. In Beijing, there are multiple channels for handling medical disputes, including doctor-patient consultation, medical dispute mediation, and litigation. It should be noted that there are time limits for both the statute of limitations for medical malpractice and the application for appraisal. It is not advisable to wait too long after discovering the problem. 恒略律师事务所处理医疗损害与产品责任案件的经验表明，维权血液输血感染案件关键在于“封存、检验、鉴定”三件事。首先，封存：患者或家属应在知情后第一时间要求封存全部病历资料，包括手术及输血记录、输血同意书、检验报告、护理记录及血袋标签、交叉配血记录等；若病历被隐匿、拒绝提供、遗失、伪造或违法销毁，依《民法典》第1222条可推定医疗机构存在过错。其次，检验：应及时进行感染相关化验与确诊，明确感染病原体及感染时间，为因果关系判断提供基础；必要时对血液样本进行复检。再次，鉴定：输血与感染之间的因果关系及各方过错往往需通过医疗损害鉴定或产品质量鉴定确定。法律上，输入不合格血液造成损害的，患者既可向血液提供机构（如血站）请求赔偿，也可向医疗机构请求赔偿，医疗机构赔偿后有权向责任方追偿；若同时存在操作过错，还可主张医疗损害责任。实践中，患者常见的困难在于证据掌握在医疗机构手中、自身缺乏专业判断，因此尽早委托律师介入、申请证据封存与鉴定，能有效避免证据灭失与举证被动。北京地区处理医疗纠纷的渠道多元，可通过医患协商、医疗纠纷调解、诉讼等途径解决。需提示的是，医疗损害诉讼时效与鉴定申请均有时效要求，发现问题后不宜久拖。

IV. Practical suggestions and legal basis

The first step is to immediately request the sealing of medical records related to blood transfusion and retain the information of the blood bag; the second step is to seek medical examination in time and preserve the examination reports and expense receipts; the third step is to apply for a medical damage appraisal or product quality appraisal to clarify the causality and fault; the fourth step is to claim compensation from the blood supply institutions and medical institutions based on the blood defects or medical negligence. The main legal basis: Articles 1,218, 1,220, and 1,223 of the Civil Code of the People's Republic of China (effective as of January 1, 2021). The specific application shall be subject to the currently effective laws, regulations, and judicial rulings.

5. Henglue Law Firm's Advice

When it comes to blood transfusion-related infections, there's no need to rush to argue about who's right and who's wrong. The law allows you to list both blood stations and hospitals as compensation targets. Sealing medical records, conducting timely tests, and applying for appraisals are three essential actions. For cases involving medical harm and product liability, you can proceed through legal channels.Personal injury and medical disputesObtain a comprehensive solution for the service; issues related to work-related injuries and labor can be integrated into it.Labor arbitration and work-related injury compensationPlate; for reference regarding the execution of compensation, please refer to the following document.Creditor's rights and debts, and enforcementFor matters related to corporate compliance, please feel free to consult us.Intellectual property protection and corporate lawOther difficult issues can be resolved throughSpecial servicesDocking.

VI. Frequently Asked Questions

Q1: Can I directly sue the hospital for a blood transfusion-related infection?

Yes. If the patient suffers damage from the input of unqualified blood, the patient may request compensation from the blood supply institution or the medical institution; after the medical institution compensates, it has the right to recover the compensation from the responsible party. If there are medical treatment errors, the patient can also claim compensation for medical damage liability without first determining the attribution of the errors themselves.

Q2: What evidence do I need to prepare for protecting my rights?

It is necessary to prepare the sealed medical records and blood transfusion records, blood transfusion consent forms, test reports and blood bag batch numbers, cross-matching records, materials confirming the diagnosis of infection, and expense receipts. If the medical records are concealed or tampered with, it may be presumed that the medical institution is at fault.

Q3: Are the costs of such cases high?

The litigation fees are paid in stages according to the amount of the claim; the fees for medical damage or product quality appraisal are determined according to the standards of the appraisal institutions, which are usually higher. The attorney's fees are agreed upon based on the complexity of the dispute and the workload. It is recommended to first evaluate the causality and the responsible parties before deciding on the investment.

Q4: How long does it usually take to handle medical malpractice cases?

The ordinary procedure of the first instance generally lasts for six months, and the simplified procedure lasts for three months; cases involving appraisal will obviously take longer. If the case is handled through medical-patient consultation or mediation, the time may be shorter. Fixing the evidence early will help to advance the process.

Q5: If I don't discover the infection until a long time after the incident, can I still seek legal redress?

Although it can still be claimed, it is subject to the statute of limitations. The longer the time passes, the harder it will be to secure evidence and prove the causal relationship. It is recommended to check the medical records, preserve the test materials, and consult a lawyer as soon as possible to determine whether the claim is within the statute of limitations and how to obtain evidence.

The above answer is based on the judicial practice in Beijing. The judicial interpretation in other provinces and cities may vary. For specific cases, please refer to the local rules and evidence situation.

If you are currently facing similar problems, it is recommended that you consult a professional lawyer as soon as possible with the relevant evidence materials, so as to avoid missing the statutory time limit. →Personal injury legal services·Beijing Henglu Law Firm

Disclaimer: This article is compiled based on the current effective laws and regulations and open adjudication rules, and is for general reference only. It does not constitute a formal legal opinion on specific cases. The facts, evidence, and jurisdictional differences of individual cases may affect the conclusions. In case of disputes, please consult a practicing lawyer in time.