After the introduction of the vaccine, the following adverse reactions of varying severity can be observed, the frequency of development of which is indicated in accordance with the recommendations of the World Health Organization and includes the following categories:
Often (1 / 10-1 / 100):
- Unnecessary skin rash, lymphadenopathy (enlargement of mainly occipital and posterior lymph nodes) is possible in 1-2% of vaccinated.
Infrequently (1 / 100-1 / 1000):
- Within 24 hours at the site of administration, short-term hyperemia, swelling and condensation accompanied by soreness may develop.
Rarely (1 / 1000-1 / 10000):
- Some vaccinated on day 6-14 may develop a short-term rise in temperature to subfebrile values, accompanied by catarrhal phenomena and the possibility of developing conjunctivitis.
These reactions are characterized by a short-term course and pass without treatment.
Very rarely (<1/10000):
- thrombocytopenic purpura (develops more often from 5 to 21 days after vaccination);
- allergic reactions of immediate type, including anaphylactic.
Arthralgia, arthritis; these reactions occur 1-3 weeks after immunization, their frequency varies depending on age and sex.
Adult women:
Very often (≥1 / 10), the frequency can reach up to 25%;
Teenagers (girls):
Often (1 / 10-1 / 100), the frequency does not exceed 5%;
Children of early age, adult men:
Very rarely (<1/10000).
Overdose. Cases of overdose are not established.