Αποτελέσματα Αναζήτησης
24 Οκτ 2024 · Research has indicated that having a bloody nose is possible following vaccination. Some participants in one study reported that their noses bled after COVID vaccination. However, the...
26 Απρ 2021 · A few possible causes include: nose picking. foreign objects stuck in your nose. chemical irritation. allergies. cold air. upper respiratory infection. Researchers have established that the...
8 Απρ 2022 · The effectiveness against infection of COVID-19 vaccines waned considerably 5–8 months after primary vaccination, although it remained high, particularly among people younger than 55 years. Vaccine boosters were effective in restoring protection against infection and had a good safety profile in the community.
21 Μαρ 2022 · Serious COVID-19 vaccine side effects are very rare. However, if a person were to experience serious side effects, they are most likely to occur in the first 6 weeks after vaccination....
25 Ιαν 2023 · Bivalent boosters provided substantial additional protection against severe omicron infection in persons who had previously been vaccinated or boosted, although the effectiveness waned over...
23 Μαρ 2022 · Active immunization with the BNT162b2 vaccine (Pfizer–BioNTech) has been a critical mitigation tool against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection during the...
26 Αυγ 2022 · Like other vaccines, Pfizer BioNTech’s COVID-19 vaccine efficacy against SARS-CoV-2 virus infections begins to decline within a few months after the 2 nd dose. On August 12, 2021, the FDA allowed additional Pfizer BioNTch’s COVID-19 vaccine dose (3 rd or booster dose) for individuals with weakened immunity.
