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Approximately 96 COVID-19 vaccines are at various stages of clinical development1 At present we have the interim results of four studies published in scientific journals on the PfizerBioNTech BNT162b2 mRNA vaccine2 the ModernaUS National Institutes of Health NIH mRNA-1273 vaccine3 the AstraZenecaOxford ChAdOx1 nCov-19 vaccine4 and the Gamaleya.

Contraceptive Effectiveness Pharmacokinetics And Safety Of Sayana Press When Injected Every Four Months A Multicenter Phase 3 Trial Eclinicalmedicine

Effectiveness Of Psychological Interventions In Prison To Reduce Recidivism A Systematic Review And Meta Analysis Of Randomised Controlled Trials The Lancet Psychiatry

Aerobic Exercise Improves Episodic Memory In Late Adulthood A Systematic Review And Meta Analysis Communications Medicine

Kidney Function In Tenofovir Disoproxil Fumarate Based Oral Pre Exposure Prophylaxis Users A Systematic Review And Meta Analysis Of Published Literature And A Multi Country Meta Analysis Of Individual Participant Data The Lancet Hiv

Effectiveness Of Self Managed Medication Abortion With Accompaniment Support In Argentina And Nigeria Safe A Prospective Observational Cohort Study And Non Inferiority Analysis With Historical Controls The Lancet Global Health