Reactions

Reactions

Reactions

When science hits the headlines, we seek the views of expert sources who assess the news rigorously and quickly, according to the available evidence.

Reaction to a new intranasal HIV and SARS-CoV-2 vaccination device tested in animals

US researchers have designed an intranasal vaccination device that is capable of delivering immunising proteins through the mucosal surface. The research, published in Science Translational Medicine, shows that strong antibody responses against viruses such as HIV and SARS-CoV-2 have been achieved in mice and non-human primates.

Reaction: 42% of respondents in a study had heavier menstruation after the covid vaccine

Results from a survey of more than 39,000 menstruating individuals reveal that 42% experienced heavier bleeding after SARS-CoV-2 vaccination. Among the most likely groups were pre-menopausal women, Hispanic or Latina women, those who had been pregnant, and those with conditions such as endometriosis and polycystic ovary syndrome.

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