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The Results of the hai Test for the Serological Examination

of the Patient’s Paired Sera in Influenza

RESULTS for:

Serum dilutions

Controls of:

1:20

1:40

1:80

1:160

1:320

1:640

v.A1c.

v.A3c.

e.c.

a.s.c.

c.s.c.

With diagnosticum A1 (H1N1)

Acute serum

Convalescent serum

With diagnosticum A3 (H3N2)

Acute serum

Convalescent serum

CONCLUSION: The HAI test is positive with diagnosticum _________.

The antibody titer in acute serum is ________.

The antibody titer in convalescent serum is ______. (The four-fold titer rising is of diagnostic value).

* NOTE: v.A1c. -virus A1 control; v.A3c. -virus A3 control; e.c. – control of erythrocytes; a.s.c. –acute serum control; c.s.c. – convalescent serum control

**NOTE: enter the results of test: «+» if hemagglutination occurs (HAI is negative);

«-» if there is no hemagglutination (HAI is positive).

Table 30

The Protocol of the Microbiological Diagnosis of Influenza

Date

Methods and manipulations

Results and conclusions

First day

Inoculation of chicken embryos with patient’s respiratory secretions

After 48 h

Indication: VHA-test with allantoic fluid from the infected embryo

Identification: CF- test for serotyping and HAI- test for subtyping

After 2 - 3 weeks

Serological examination of the patient’s paired sera in HAI-test

CONCLUSION: The infection (in the patient examined) was caused by Influenza virus subtype____.

Picture 7. The Virus Neutralization Test in the Cell Culture (for Adenovirus Identification)

adenovirus tested +

antiserum 3

adenovirus tested +

antiserum 4

adenovirus tested +

antiserum 7

Controls of:

cell culture

virus

antiserum 3

antiserum 4

antiserum 7

CONCLUSION:

LESSON 13 Date:

ENTEROVIRUSES. VIRAL HEPATITIS A, B, C, D and E.

Picture 8. The Virus Neutralization Test in the Cell Culture (for Poliovirus Identification)

poliovirus tested +

antiserum I

poliovirus tested +

antiserum II

poliovirus tested +

antiserum III

Controls of:

cell culture

virus

antiserum I

antiserum II

antiserum III

CONCLUSION:

Picture 9. The Virus Neutralization Test in the Cell Culture (for serological examination of paired patient’s sera in poliomyelitis)

Acute serum

Convalescent serum

Controls

1:50

1:100

1:200

1:400

1:800

1:50

1:100

1:200

1:400

1:800

cell

culture

virus

acute

serum

convalesce. serum

CONCLUSION:

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