- that the mumps vaccine is associated with decreased immunity and asymptomatic infection?
- Did you know that some vaccines have been associated with demyelinating diseases of the central nervous system?
- Did you know that the effectiveness of the pertussis vaccine decreases rapidly after 4 years?
- Did you know that there is a risk of seizures after the MMR vaccine?
- Did you know that people vaccinated for diphtheria can still carry and spread diphtheria without showing symptoms of an infection?
- Did you know that COVID19 vaccines can trigger a type of hepatitis, called immune-mediated hepatitis, which requires long-term immune suppression?
- Did you know that the varicella-zoster virus can reactivate after the shingles vaccine?
- Did you know that in several studies involving mice vaccinated against the SARS Coronavirus the mice had a severe respiratory reaction when they encountered the virus?
- Did you know that the use of the Haemophilus influenzae type b (Hib) vaccine has led to a greater spread of different serotypes?
- Did you know that immune thrombocytopenic purpura (ITS) can occur after recombinant hepatitis B vaccine?
- Did you know that the cough characteristic of whooping cough can be caused by organisms other than B. pertussis?
- Did you know that Delta variant infections following AstraZeneca's COVID-19 vaccine are associated with viral loads up to 251 times higher than those previously seen in cases infected with the original virus strain?
- Did you know that people who supplement with vitamin D have protective effects against acute respiratory infections?
- Did you know that women with a history of mumps have been found to have a reduced risk of ovarian cancer?
- Did you know that an excessive immune response can trigger autoimmunity in some individuals?
- Did you know that aluminum-containing vaccines can cause aluminum deposits in the spleen and brain?